Patent ID: 8741916

Claim:
A compound of formula (I) wherein R 1 is 1-acenaphthenyl; R 2 is 4-fluorophenyl; A 1 is selected from the group consisting of —CH 2 —, —CH 2 CH 2 —, —CH 2 CH 2 CH 2 — and —CH 2 CH 2 CH 2 CH 2 —; R 3 is selected from the group consisting of wherein R 4 is selected from the group consisting of hydroxy, cycloalkyl, phenyl, benzyl, imidazolyl, pyridyl, —C 1-4 alkyl-NR A R B , —C 1-4 alkyl-OH, —C 1-4 alkyl-O—C 1-4 alkyl, —C(O)OH and —C(O)O—C 1-4 alkyl; wherein the phenyl, imidazolyl or pyridyl, is optionally substituted with one or more substituents independently selected from the group consisting of halogen and C 1-4 alkyl; wherein R A and R B are each independently selected from the group consisting of hydrogen and C 1-4 alkyl; and wherein R 5 is selected from the group consisting of hydroxy, cycloalkyl, phenyl, benzyl, imidazolyl, pyridyl, —C 1-4 alkyl-NR C R D , —C 1-4 alkyl-OH, —C 1-4 alkyl-O—C 1-4 alkyl, —C(O)OH and —C(O)O—C 1-4 alkyl; wherein the phenyl, imidazolyl or pyridyl, is optionally substituted with one or more substituents independently selected from the group consisting of halogen and C 1-4 alkyl; and wherein R C and R D are each independently selected from the group consisting of hydrogen and C 1-4 alkyl; or a pharmaceutically acceptable salt thereof.