Patent ID: 8389545

Claim:
A compound of formula (II): and pharmaceutically acceptable salts thereof, wherein R 2 and R 5 are each halogen; R 9 , R 10 , R 11 , R 12 and R 13 are independently selected from the group consisting of (1) hydrogen, (2) halogen, (3) cyano, (4) —R 6 , (5) —O—R 6 , (6) —S(O) n —R 7 , and (7) —OH, wherein R 6 and R 7 are selected from the group consisting of (a) —C 1-6 alkyl, and (b) —(CH 2 ) m -aryl, wherein said R 6 and R 7 alkyl or aryl moiety is optionally substituted with one or more aryl; R 8 is selected from the group consisting of (1) hydrogen, (2) —C 1-6 alkyl, and (3) —CH 2 -aryl, wherein said R 8 alkyl or aryl moiety is optionally substituted with one or more (a) halogen, (b) cyano, and (c) —O—C 1-6 alkyl, wherein said alkyl is optionally substituted with one or more halo; m is 1, 2 or 3; and n is 0, 1 or 2.