Patent ID: 7799812

Claim:
A compound of formula I: wherein X is —N═ or ═CH—; R 1 is biphenylyl, 4-phenoxyphenyl or 4-(phenyl-C 1 -C 4 -alkoxy)-phenyl, where at least one of the phenyl groups bears a halo-C 1-4 -alkyl; or is phenyl substituted by C 3-6 -cycloalkyl and halo-C 1-8 -alkyl in the meta and para positions or vice versa; R 2 is C 1-4 -alkyl optionally substituted by halogen, OH, NH 2 , C 1-4 -alkoxy or C 1-4 -alkylcarbonyloxy; or is amino; OH; C 1-4 -alkoxy; NH—OH; carboxy; sulfamoyl; carbamoyl; or HN—CO—C 1-4 -alkyl; or R 2 is R 3 -R 4 —COOH or R 3 -R 4 —CONH 2 , where R 3 is SO 2 —NH, SO 2 —N(C 1-4 -alkyl), CO—NH, CO—N(C 1-4 -alkyl), CH 2 —O, NH—CO, or N(C 1-4 -alkyl)CO, and R 4 is C 1-6 -alkylene optionally interrupted by O; and Ring A is phenyl optionally further substituted by halogen, C 1-4 -alkyl, halo-C 1-4 -alkyl, C 1-4 -alkoxy, halo-C 1-4 -alkoxy or nitrile, or a salt thereof.