Patent ID: 8470812

Claim:
A compound of Formula I or a pharmaceutically acceptable salt thereof: wherein: R is NR 1 R 2 ; R 1 and R 2 , together with the nitrogen atom to which they are attached, form a 4- to8-member ring which optionally comprises 1-3 additional heteroatoms selected from N, O and S and optionally is substituted; m is 0, 1, 2, 3 or 4; each R 3 is independently hydroxyl, cyano, nitro, amino, unsubstituted or substituted C 1 -C 6 alkyl, unsubstituted or substituted C 1 -C 6 alkylamino, unsubstituted or substituted di-C 1 -C 6 alkylamino, unsubstituted or substituted C 1 -C 6 alkoxy, or halogen; R 4 is H, unsubstituted or substituted C 1 -C 6 alkyl, or -T r -R r ; T r is a bond or unsubstituted or substituted C 1 -C 6 alkyl linker; and R r is hydroxyl, unsubstituted or substituted C 1 -C 6 alkoxy, amino, unsubstituted or substituted C 1 -C 6 alkylamino, unsubstituted or substituted di-C 1 -C 6 alkylamino, unsubstituted or substituted C 6 -C 10 aryl, unsubstituted or substituted heteroaryl comprising one or two 5- or 6-member rings and 1-4 heteroatoms selected from N, O and S, unsubstituted or substituted C 3 -C 10 carbocycle, or unsubstituted or substituted heterocycle comprising one or two 5- or 6-member rings and 1-4 heteroatoms selected from N, O and S.