Patent ID: 8778991

Claim:
A compound of Formula (II): or a pharmaceutically acceptable salt thereof, wherein: R 6 is chosen from C 1-6 alkyl, substituted C 1-6 alkyl, C 1-6 heteroalkyl, C 3-8 cycloalkyl, substituted C 3-8 cycloalkyl, C 6-8 aryl, substituted C 6-8 aryl, and —OR 10 wherein R 10 is chosen from C 1-6 alkyl, substituted C 1-6 alkyl, C 3-10 cycloalkyl, substituted C 3-10 cycloalkyl, C 6-10 aryl, and substituted C 6-10 aryl; R 7 and R 8 are independently chosen from hydrogen, C 1-6 alkyl, and substituted C 1-6 alkyl; and R 9 is methyl; wherein each substituent group is independently chosen from, —OH, —CN, —CF 3 , ═O, —NO 2 , benzyl, —C(O)NR 11 2 , —R 11 , —OR 11 , —C(O)R 11 , —COOR 11 , and —NR 11 2 wherein each R 11 is independently chosen from hydrogen and C 1-4 alkyl.