Patent ID: 8748624

Claim:
A compound of formula (I) wherein L 1 is selected from the group consisting of —CH 2 —, —CH(CH 3 )— and —C(O)—; a is an integer from 0 to 3; each R 1 is independently selected from the group consisting of halogen, hydroxy, cyano, C 1-4 alkyl, fluorinated C 1-4 alkyl, C 2-4 alkenyl, C 1-4 alkoxy, fluorinated C 1-4 alkoxy, —SO 2 —(C 1-2 alkyl), —C(O)—C 1-2 alkyl, phenyl, C 3-6 cycloalkyl and C 5-6 cyaloalkenyl; b is an integer from 0 to 3; each R 2 is independently selected from the group consisting of halogen, cyano, C 1-4 alkyl, fluorinated C 1-4 alkyl, C 1-4 alkoxy and fluorinated C 1-4 alkoxy; c is an integer from 0 to 4; each R 3 is independently selected from the group consisting of halogen, cyano, nitro, C 1-4 alkyl, fluorinated C 1-4 alkyl, C 1-4 alkoxy, fluorinated C 1-4 alkoxy and —C(O)—C 1-2 alkyl; or a pharmaceutically acceptable salt thereof.