Patent ID: 7300943

Claim:
A compound of formula (I) or a stereoisomer thereof, or a pharmaceutically acceptable salt of said compound or stereoisomer, wherein: R 1 and R 2 are, independently, hydrogen; —(C 1 -C 8 )alkyl; —(C 1 -C 8 )alkoxy; —(C 3 -C 11 )cycloalkyl; heterocycloalkyl; aryl; or heteroaryl; and R 3 is hydrogen; —(C 1 -C 8 )alkyl; —(C 1 -C 8 )alkoxy; or —(C 3 -C 11 )cycloalkyl; R 1 and R 2 are, independently, hydrogen; —(C 1 -C 8 )alkyl; —(C 1 -C 8 )alkoxy; —(C 3 -C 11 )cycloalkyl; heterocycloalkyl; aryl; or heteroaryl; and R 3 is hydrogen; —(C 1 -C 8 )alkyl; —(C 1 -C 8 )alkoxy; or —(C 3 -C 11 )cycloalkyl; wherein each R 1 , R 2 , and R 3 is optionally, and independently, substituted with from one to six of: (A) halogen; (B) aryl, optionally substituted with from one to three of: (i) —OH; (ii) —CN; (iii) halogen; (iv) heteroaryl; (v) —CH 2 OR 4 ; or (vi) —CH 2 NR 4 R 5 ; (C) heteroaryl; (D) —NO 2 ; (E) —CN; (F) —(C 1 -C 8 )alkyl, optionally substituted with from one to three halogen atoms; (G) —(C 1 -C 8 )thioalkoxy; (H) —NR 4 R 5 ; (I) —NR 4 C(═O)R 5 ; (J) —NR 4 C(═O)NR 4 R 5 ; (K) —NR 4 (SO 2 )R 5 ; (L) —NR 4 (SO 2 )NR 4 R 5 ; (M) —OR 4 ; (N)—OC(═O)R 4 ; (O) —OC(═O)OR 4 ; (P) —C(═O)OR 4 ; (Q) —C(═O)R 4 ; (R) —C(═O)NR 4 R 5 ; (S) —OC(═O)NR 4 R 5 ; (T) —OC(═O)SR 4 ; (U) —SR 4 ; (V) —S(═O)R 4 ; (W) —SO 2 R 4 ; or (X) —SO 2 R 4 R 5 ; wherein: R 4 and R 5 are, independently, hydrogen; aryl, optionally substituted with from one to three of: halogen; —OH; —(C 1 -C 8 )alkyl, optionally substituted with aryl; or —(C 3 -C 11 )cycloalkyl; provided that when R 3 is hydrogen: (1) R 1 is not hydrogen, and R 2 is not hydrogen or methyl; (2) R 1 and R 2 are not both methyl; or (3) R 1 is not hydrogen or phenyl, and R 2 is not trifluoromethyl.