Patent ID: 6946469

Claim:
A compound of formula (I): or a stereoisomer or pharmaceutically acceptable salt thereof, wherein: A is selected from NCN, NCONH 2 , and NOR 9 ; R 1 is C 1-3 alkyl substituted with 1-7 halogen; R 2 is selected from C 1-5 alkyl substituted with 1-2 R 4 , C 2-5 alkenyl substituted with 1-2 R 4 , and C 2-5 alkynyl substituted with 1 R 4 ; R 3 , at each occurrence, is independently selected from C 1-4 alkyl, OH, C 1-4 alkoxy, F, Cl, Br, I, NR 5 R 5a , NO 2 , CN, C(O)R 6 , NHC(O)R 7 , and NHC(O)NR 5 R 5a ; alternatively, if two R 3 's are present and are attached to adjacent carbons, then they may combine to form —OCH 2 O—; R 4 is selected from C 3-5 cycloalkyl substituted with 0-2 R 3 , phenyl substituted with 0-5 R 3 , and a 5-6 membered heterocyclic system containing 1-3 heteroatoms selected from O, N, and S, substituted with 0-2 R 3 ; R 5 and R 5a are independently selected from H, C 1-3 alkyl; phenyl substituted with 0-5 R 5c ; R 5c is selected from C 1-4 alkyl, OH, C 1-4 alkoxy, F, Cl, Br, I, NO 2 , and CN; R 6 is selected from H, OH, C 1-4 alkyl, C 1-4 alkoxy, and NR 5 R 5a ; R 7 is selected from C 1-3 alkyl, C 1-3 alkoxy; and phenyl substituted with 0-5 R 7a ; R 7a is selected from C 1-4 alkyl, OH, C 1-4 alkoxy, F, Cl, Br, I, NO 2 , and CN; R 8 is selected from H, C 3-5 cycloalkyl, C 1-3 alkyl; and phenyl optionally substituted with 0-5 R 8a ; 5 to 6 membered heterocycle optionally substituted with 0-5 R 8a ; R 8a is selected from C 1-4 alkyl, OH, C 1-4 alkoxy, F, Cl, Br, I, NO 2 , and CN; R 9 is selected from H and C 1-4 alkyl; and n is selected from 0, 1, 2, 3, and 4.