Patent ID: 7223752

Claim:
A compound of formula: wherein: R is C 3 –C 6 alkyl; R 3 , R 6 , R 3′ , and R 5′ are independently selected from the group consisting of H, C 1 –C 6 alkyl, halogen, cyano, CF 3 , hydroxy, C 1 –C 6 alkoxy, C 1 –C 6 alkoxy carbonyl, carboxy, —CONH 2 , —CONH[C 1 –C 6 alkyl], and —CON[C 1 –C 6 alkyl ] 2 ; and R 2 , R 7 , R 8 and R 9 are each, independently, selected the group consisting of hydrogen, C 1 –C 3 alkyl, OCH 3 , halogen, CF 3 , SCH 3 , OCF 3 , SCF 3 , and CN: and or a pharmaceutically acceptable salt or prodrug form thereof.