Patent ID: 7902373

Claim:
A compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein: R 1 , R 3 and R 4 are independently H, F, Cl, —CHF 2 , —CF 3 , —OH, —CH 2 OH, —CH 2 CH 2 OH, —C≡N, —CH 2 C≡N, —CH 2 CH 2 C≡N, C 1 -C 5 alkyl, —C(O)OR 16 , —NC(O)R 16 , —NSO 2 R 16 , —C(O)R 16 , or —OCH 3 ; R 2 is H or F; R 5 is H, —NH 2 , —OH or —CH 3 ; R 15 is H, F, Cl, —CH 3 or —OCH 3 ; R 16 is C 1 -C 5 alkyl; L is —C(O)NH—, —NHC(O)— or —CH 2 NHC(O)—; A is: