Patent ID: 7105547

Claim:
A compound of formula I or a pharmaceutically acceptable salt thereof wherein: A is a structure ii X is (a) NHC(═O)R 1 , or (b) NHC(═S)R 1 ; R 1 is (a) NH 2 , (b) NHC 1-4 alkyl, (c) C 1-4 alkyl, (d) C 2-4 alkenyl, (e) —(CH 2 ) n C(═O)C 1-4 alkyl, (f) OC 1-4 alkyl, (g) SC 1-4 alkyl, or (h) (CH 2 ) n C 3-6 cycloalkyl; R 2 and R 3 are independently (a) H, (b) Cl, (c) F, (d) CH 3 , (e) NH 2 , or (f) OH; R 4 is (a) H, (b) F, (c) Cl, (d) NH 2 , (e) OH, (f) CN, (g) C 1-4 alkyl, (h) OC 1-4 alkyl, (i) C 1-4 alkyl-W—C 1-4 alkyl, wherein W is O or S (j) NHC 1-4 alkyl, (k) (CH 2 ) n C 3-6 cycloalkyl, (l) C(═O)C 1-4 alkyl, (m) OC(═O)C 1-4 alkyl, (n) C(═O)OC 1-4 alkyl, (o) C(═O)NHC 1-4 alkyl, or (p) C(═O)NH 2 ; n is 0, 1, or 2; and at each occurance alkyl, alkenyl, or cycloalkyl is optionally substituted with 1, 2 or 3 halo.