Patent ID: 8067459

Claim:
A compound of Formula I: or a pharmaceutically acceptable salt and/or an individual diastereomer thereof, wherein: R 1 , R 2 , R 3 , and R 4 are each, independently, H, halogen, hydroxyl, unsubstituted or substituted C 1 -C 6 alkyl, unsubstituted or substituted C 1 -C 6 alkoxy, C 1 -C 6 alkoxycarbonyl, amino, alkylamino, dialkylamino, unsubstituted or substituted aryl, unsubstituted or substituted phenyl, unsubstituted or substituted benzyl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted heterocycle, nitro, cyano, carboxyacid, or amide; R 5 is H, or carboxyacid, or carboxy esters; R 6 and R 7 are each, independently, H, unsubstituted or substituted C 1 -C 6 alkyl, unsubstituted or substituted C 1 -C 6 alkenyl, unsubstituted and substituted C 1 -C 6 alkoxy, unsubstituted or substituted C 1 -C 6 acyl, C 1 -C 6 alkoxycarbonyl, amino, alkylamino, dialkylamino, unsubstituted or substituted aryl, unsubstituted or substituted phenyl, unsubstituted or substituted benzyl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted heterocycle; X is H, —OR a , unsubstituted or substituted alkylamino; unsubstituted or substituted dialkylamino, or substituted heterocycle; R a is H, unsubstituted or substituted amide, unsubstituted or substituted heterocycle, or substituted silyl; provided that if X is —OR a and R a and R 1 -R 5 are each H, then R 6 and R 7 are not both H; if X and R 1 -R 6 are each H, then R 7 is not methyl; and if X, R 1 -R 5 and R 7 are each H, then R 6 is not methyl.