Patent ID: 7045540

Claim:
A compound of Formula (I): or pharmaceutically acceptable salt form thereof, wherein R 1 is selected from R 2 is selected from H, C 1-8 alkyl, and halo; R 3 is selected from H, C 1-8 alkyl, C 2-8 alkylenyl, halo, and CN; alternatively R 2 and R 3 , together with the atoms to which they are attached, form a six- or seven-membered ring structure where one or more of the atoms forming the ring may be oxygen; R 4 is selected from H, OH, C 1-8 alkyl, OC 1-8 alkyl, and halo; R 5 is selected from H, OH, CN, nitro, C 1-8 alkyl, OC 1-8 alkyl, and halo; R 7 is selected from H and C 1-8 alkyl; and the bond represented by a broken line and a solid line is an optional double bond.