Patent ID: 7491737

Claim:
A compound of the formula I: wherein: R 1 is selected from the group consisting of: (1) —CH(CH 3 ) 2 and (2) —C(CH 3 ) 2 (OH); R 2 is selected from the group consisting of —CH 2 -phenyl, —CH(CH 3 )-phenyl, and —C(CH 3 ) 2 -phenyl, wherein phenyl is unsubstituted or substituted with 1-3 substituents independently selected from: (a) halo, (b) trifluoromethyl, (c) trifluoromethoxy, (d) hydroxy, (e) C 1-3 alkyl, (f) —O—C 1-3 alkyl, and (g) —CO 2 H; R 3 is a heterocycle, wherein the heterocycle is selected from the group consisting of benzoimidazolyl, imidazolyl, indazolyl, pyrazinyl, pyrazolyl, pyridazinyl, pyridyl, pyrimidyl, pyrrolyl, tetrazolyl, thiadiazolyl, thiazolyl, triazolyl, and imidazolidinone; wherein the heterocycle is unsubstituted or substituted with 1-5 substituents independently selected from: (a) halo, (b) trifluoromethyl, (c) hydroxy, (d) C 1-3 alkyl, (e) —O—C 1-3 alkyl, (f) —CO 2 R 9 , (g) —CN, (h) —NR 9 R 10 , and (i) —CONR 9 R 10 ; R 4 , R 6 , R 9 and R 10 are H; R 5 is selected from: (a) hydrogen, (b) —CH 3 , and (c) —O—CH 3 ; and n is the integer 1; or a pharmaceutically acceptable salt thereof or an individual diastereomer thereof.