Sphingosine-1-phosphate receptor agonists, methods of preparing the same, and pharmaceutical compositions containing the same as an active agent

1. A compound of Formula 1, or a pharmaceutically acceptable salt or stereoisomer thereof:

wherein

X represents C or N,

R1 represents optionally substituted alkyl,

wherein the optional substituent of the optionally substituted alkyl is one or more selected from halo(gen), cyano, hydroxyl, C 1 -C 6 -alkyloxy, oxo or sulfonyl unsubstituted or substituted by alkyl,

R2 represents H, optionally substituted alkyl, halogen, CN, CF 3 or COCF 3 ,

wherein the optional substituent of the optionally substituted alkyl is one or more selected from halo(gen), cyano, hydroxyl, C 1 -C 6 -alkyloxy, oxo or sulfonyl unsubstituted or substituted by alkyl,

W represents C, N, C-alkoxy, C-halogen or C—CN,

Q represents CH 2 O or

 and

S is selected from the following residues:

wherein

m and n represent independently 0, 1, 2 or 3,

R3-R10 represent independently H, alkyl, halogen, halogenoalkyl or alkoxyalkyl,

R11 represents H,

 and

R12 represents OH, NH 2 ,

2. The compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 1 , wherein S is selected from the following groups:

wherein

R3-R10 represent independently H, methyl, ethyl, fluoride, chloride, halogenomethyl, halogenoethyl, alkoxymethyl or alkoxyethyl,

R11 represents H,

 and

R12 represents OH, NH 2 ,

3. A compound, or pharmaceutically acceptable salt or stereoisomer thereof, wherein the compound is selected from the group consisting of:

3-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-azetidine-3-carboxylic acid;

1-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-azetidine-3-carboxylic acid;

1-{4-[5-(3-cyano-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-azetidine-3-carboxylic acid;

1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-azetidine-3-carboxylic acid;

1-(4-{5-[1-isopropyl-3-(2,2,2-trifluoro-acetyl)-1H-indol-5-yl]-[1,2,4]oxadiazol-3-yl}-3-methyl-benzyl)-azetidine-3-carboxylic acid;

1-{4-[5-(1-isobutyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-azetidine-3-carboxylic acid;

1-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-1H-pyrazole-4-carboxylic acid;

1-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-1H-pyrazole-4-carboxylic acid;

3-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzylamino}-propanoic acid;

{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenoxy}-acetic acid;

{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenoxy}-acetic acid;

3-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenoxy}-propanoic acid;

(R)-1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-piperidine-3-carboxylic acid;

(S)-1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-piperidine-3-carboxylic acid;

1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-piperidine-4-carboxylic acid;

(S)-1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-pyrrolidine-3-carboxylic acid;

({4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-methyl-amino)-acetic acid;

3-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzylamino}-propanoic acid;

3-{3-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-phenyl}-propanoic acid;

1-{3-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-azetidine-3-carboxylic acid;

{3-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzylamino}-acetic acid;

({3-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-methyl-amino)-acetic acid;

(1S,3R)-3-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzylamino}-cyclopentanecarboxylic acid;

3-({4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-methyl-amino)-propanoic acid;

1-{3-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzyl}-azetidine-3-carboxylic acid;

5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

3-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid;

4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-ol;

2-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-ylamino}-ethanol;

(S)-2-amino-3-hydroxy-1-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propan-1-on;

2-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propan-1,3-diol;

N—{(S)-4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-yl}-methanesulfonamide;

N—{(S)-4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-yl}-acetamide;

N-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-acetamide;

N-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-methanesulfonamide;

N-{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-sulfamide;

3-hydroxy-pyrrolidine-1-carboxylic acid {5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-amide;

5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

7-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

3-hydroxy-azetidine-1-carboxylic acid {5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-amide;

{5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, fluoroacetate;

2-{5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-ethanol;

5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-ylamine, hydrochloride;

1-{4-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-yl}-azetidin-3-ol;

2-{5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-N-(2-hydroxy-ethyl)-acetamide;

2-{7-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-ethanol;

{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-naphthalen-1-yl}-(2-methanesulfonyl-ethyl)-amine, hydrochloride;

{7-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, hydrochloride;

N-(2-hydroxy-ethyl)-2-{7-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetamide;

3-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(3-cyano-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{3-methyl-4-[5-(1-methyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenyl}-propanoic acid;

5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-ol;

6-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

2-{6-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-ethanol;

{6-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, hydrochloride;

{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-yloxy}-acetic acid;

2-{6-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-N-(2-hydroxy-ethyl)-acetamide;

6-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

{6-[5-(3-cyano-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, hydrochloride;

{6-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, hydrochloride;

3-{4-[5-(7-chloro-2-methyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

1-isopropyl-5-[3-(1,2,3,4-tetrahydro-isoquinolin-5-yl)-[1,2,4]oxadiazol-5-yl]-1H-indol-3-carbonitrile, hydrochloride;

3-{4-[5-(2-cyclopentyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

{5-[5-(3-cyano-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, hydrochloride;

3-{4-[5-(1-benzyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(1-cyclopentyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-cyano-2-methyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-cyano-2-cyclopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-cyano-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-cyano-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-cyano-1-methyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{5-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, hydrochloride;

3-{6-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, hydrochloride;

3-{6-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, hydrochloride;

3-{4-[5-(7-methoxy-2-methyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(7-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

3-{4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

{5-[5-(1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,3-dihydro-isoindol-2-yl}-acetic acid;

3-{4-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

{5-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

3-{5-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid;

{6-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

3-{6-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

{5-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

3-{5-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

6-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

5-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

6-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

6-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

{6-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

3-{6-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

{6-[5-(1-isopropyl-1H-pyrazolo[3,4-b]pyridin-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

5-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

{6-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

3-{6-[5-(2-isopropyl-2H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

{5-[5-(1-isopropyl-1H-pyrazolo[3,4-b]pyridin-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

({4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-methyl-amino)-acetic acid, trifluoroacetate;

5-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-1,2,3,4-tetrahydro-isoquinoline, hydrochloride;

{5-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

3-{5-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

{5-[5-(1-isopropyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

6-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinoline-2-sulfonic acid amide;

{6-[5-(1-isopropyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid;

1-{4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-azetidine-3-carboxylic acid;

5-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinoline-2-sulfonic acid amide;

{6-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

({4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-indan-1-yl}-methyl-amino)-acetic acid;

3-{6-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

(R)-2-{4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzylamino}-propanoic acid;

{4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzylamino}-acetic acid, trifluoroacetate;

(ethyl-{4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-amino)-acetic acid, trifluoroacetate;

(R)-2-({4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-benzyl}-methyl-amino)-propanoic acid;

({4-[5-(1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-methyl-amino)-acetic acid, trifluoroacetate;

{6-[5-(1-isopropyl-3-methyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-acetic acid, trifluoroacetate;

({3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-methyl-amino)-acetic acid, trifluoroacetate;

3-({3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-benzyl}-methyl-amino)-propanoic acid, trifluoroacetate;

({3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzyl}-methyl-amino)-acetic acid, trifluoroacetate;

3-{3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzylamino}-propanoic acid, trifluoroacetate;

3-({3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzyl}-methyl-amino)-propanoic acid, trifluoroacetate;

3-{4-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-propanoic acid;

({3-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzyl}-methyl-amino)-acetic acid, trifluoroacetate;

1-{3-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-2-methyl-benzyl}-azetidine-3-carboxylic acid;

[(2-{3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenyl}-ethyl)-methyl-amino]-acetic acid, trifluoroacetate;

1-(2-{3-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-phenyl}-ethyl)-piperidine-4-carboxylic acid;

3-{6-[5-(3-cyclopropyl-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl}-propanoic acid, trifluoroacetate;

3-{4-[5-(3-chloro-1-isopropyl-1H-indazol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-butyric acid, trifluoroacetate;

3-{4-[5-(3-chloro-1-isopropyl-1H-indol-5-yl)-[1,2,4]oxadiazol-3-yl]-3-methyl-phenyl}-butyric acid, trifluoroacetate;

1-[4-(1-isopropyl-1H-indol-5-ylmethoxy)-benzyl]-azetidine-3-carboxylic acid;

3-[4-(1-isopropyl-1H-indol-5-ylmethoxy)-phenyl]-propanoic acid;

1-[4-(3-chloro-1-isopropyl-1H-indol-5-ylmethoxy)-3-methyl-benzyl]-azetidine-3-carboxylic acid;

[5-(1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-1H-isoquinolin-2-yl]-acetic acid, trifluoroacetate;

[6-(1-isopropyl-1H-indazol-5-ylmethoxy)-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl]-acetic acid, trifluoroacetate;

[6-(2-isopropyl-2H-indazol-5-ylmethoxy)-5-methyl-3,4-dihydro-1H-isoquinolin-2-yl]-acetic acid, trifluoroacetate;

[5-(2-isopropyl-2H-indazol-5-ylmethoxy)-3,4-dihydro-1H-isoquinolin-2-yl]-acetic acid, trifluoroacetate;

3-[4-(3-chloro-1-isopropyl-1H-indol-5-ylmethoxy)-2-fluoro-phenyl]-propanoic acid;

3-[5-(1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-1H-isoquinolin-2-yl]-propanoic acid, trifluoroacetate;

3-[6-(3-chloro-1-isopropyl-1H-indol-5-ylmethoxy)-naphthalen-2-yl]-propanoic acid;

1-[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-naphthalen-2-ylmethyl]-azetidine-3-carboxylic acid;

{[6-(3-chloro-1-isopropyl-1H-pyrrolo[2,3-b]pyridin-5-ylmethoxy)-naphthalen-2-ylmethyl]-methyl-amino}-acetic acid;

{[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-naphthalen-2-ylmethyl]-methyl-amino}-acetic acid;

{[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-1-methyl-3,4-dihydro-naphthalen-2-ylmethyl]-methyl-amino}-acetic acid;

1-[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-1-methyl-3,4-dihydro-naphthalen-2-ylmethyl]-azetidine-3-carboxylic acid;

1-[6-(3-chloro-1-isopropyl-1H-pyrazolo[3,4-b]pyridin-5-ylmethoxy)-naphthalen-2-ylmethyl]-azetidine-3-carboxylic acid;

1-[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-1-methyl-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-4-carboxylic acid;

1-[6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-1-methyl-3,4-dihydro-naphthalen-2-ylmethyl]-azepane-4-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-pyrrolidine-3-carboxylic acid;

(R)-1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-pyrrolidine-3-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-3-methyl-pyrrolidine-3-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-4-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-4-fluoro-piperidine-4-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-3-carboxylic acid;

(S)-1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-3-carboxylic acid;

(R)-1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-3-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-3-fluoro-piperidine-3-carboxylic acid;

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-pyrazolo[3,4-b]pyridin-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-4-carboxylic acid;

1-[6-(1-sec-butyl-3-chloro-1H-pyrazolo[3,4-b]pyridin-5-ylmethoxy)-1-chloro-3,4-dihydro-naphthalen-2-ylmethyl]-piperidine-4-carboxylic acid; and

1-[1-chloro-6-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-3,4-dihydro-naphthalen-2-ylmethyl]-3-fluoro-pyrrolidine-3-carboxylic acid.

4. The compound of claim 1 , wherein R1 is alkyl and R2 is H, alkyl, halogen, CN, CF 3 or COCF 3 .

5. A pharmaceutical composition, comprising the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 1 as an active component, and a pharmaceutically acceptable carrier.

6. A pharmaceutical composition, comprising the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 4 as an active component, and pharmaceutically acceptable carrier.

7. A method for treating immunoregulation disorders selected from the group consisting of systemic lupus erythematosus, chronic rheumatoid arthritis, imflammatory bowel diseases, multiple sclerosis, amyotrophic lateral sclerosis (ALS), arteriosclerosis, artherosclerosis, scleroderma and autoimmune hepatitis, comprising the step of administering the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 1 to a subject in need thereof.

8. A method for treating autoimmune diseases in mammals, comprising the step of administering the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 1 to a subject in need thereof.

9. The method according to claim 8 , wherein the autoimmune disease is multiple sclerosis.

10. A method for treating immunoregulation disorders selected from the group consisting of systemic lupus erythematosus, chronic rheumatoid arthritis, imflammatory bowel diseases, multiple sclerosis, amyotrophic lateral sclerosis (ALS), arteriosclerosis, artherosclerosis, scleroderma and autoimmune hepatitis, comprising the step of administering the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 4 to a subject in need thereof.

11. A method for treating an autoimmune disease in mammals, comprising the step of administering the compound, or pharmaceutically acceptable salt or stereoisomer thereof according to claim 4 to a subject in need thereof.

12. The method according to claim 11 , wherein the autoimmune disease is multiple sclerosis.