Flavonols

A compound of the formula (I): wherein R is selected from the group consisting of H, alkyl, alkenyl, alkynyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl and acyl, each of which may be optionally substituted; R 1 is an organic moiety that is capable of being converted into a charged group; each X and Y is independently selected from the group consisting of H, halogen, —CN, —NO 2 , —CF 3 , —OCF 3 , alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, heteroalkyl, cycloalkyl, cycloalkenyl, heterocycloalkyl, heterocycloalkenyl, aryl, heteroaryl, cycloalkylalkyl, heterocycloalkylalkyl, arylalkyl, heteroarylalkyl, arylalkenyl, cycloalkylheteroalkyl, arylheteroalkyl, heterocycloalkylheteroalkyl, heteroarylheteroalkyl, hydroxy, hydroxyalkyl, alkoxy, alkoxyalkyl, alkoxyaryl, alkenyloxy, alkynyloxy, cycloalkyloxy, heterocycloalkyloxy, aryloxy, heteroaryloxy, arylalkyloxy, phenoxy, benzyloxy, amino, alkylamino, aminoalkyl, acylamino, arylamino, sulfonylamino, sulfinylamino, —COOH, —COR 2 , —COOR 2 , —CONHR 2 , —NHCOR 2 , —NHCOOR 2 , —NHCONHR 2 , C(═NOH)R 2 , alkoxycarbonyl, alkylaminocarbonyl, sulfonyl, alkylsulfonyl, alkylsulfinyl, arylsulfonyl, arylsulfinyl, aminosulfonyl, SR 2 and acyl, each of which may be optionally substituted; each R 2 is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, haloalkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkylalkyl, heterocycloalkylalkyl, arylalkyl, heteroarylalkyl, and acyl, each of which may be optionally substituted; m is an integer selected from the group consisting of 0, 1, 2, 3, 4 and 5; p is an integer selected from 0, 1, 2 and 3; or a pharmaceutically acceptable salt or prodrug thereof.