Granted Patent B2

US 9,505,776 · App. 14/212,745 · Granted Nov 29, 2016

Abstract

Claims (12)

1. A compound of Formula (Ia), or a pharmaceutically acceptable salt thereof:

wherein:

R 1 is unsubstituted C 1 -C 6 alkyl;

L a is unsubstituted C 1 -C 6 alkyl linker; and

R 2 is H, unsubstituted C 1 -C 6 alkyl, unsubstituted C 2 -C 6 alkenyl, or unsubstituted C 2 -C 6 alkynyl.

2. The compound of claim 1 , wherein R 1 is methyl.

3. The compound of claim 1 , wherein L a is an unsubstituted C 1 -C 3 alkyl.

4. The compound of claim 1 , wherein L a is an unsubstituted C 2 alkyl.

5. The compound of claim 1 , wherein R 2 is an unsubstituted C 1 -C 3 alkyl.

6. The compound of claim 1 , wherein R 2 is an unsubstituted C 1 -C 2 alkyl.

7. The compound of claim 1 , wherein R 2 is methyl.

8. The compound of claim 1 , having structure:

Assignments (6)