Patent ID: 7932390

Claim:
A compound of the formula wherein R 1 is selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, cyano, NR 4 R 5 , trifluoromethyl and NO 2 ; R 2 is selected from the group consisting of hydrogen, lower alkyl, aryl substituted lower alkyl, lower alkoxy, substituted aryl, cyano, halogen, methyl sulfonyl, sulfonamide, trifluoromethyl, sulfonyl urea, amide, ester, carbamoyl, carbamate and urea; R 3 is selected from the group consisting of hydrogen, hydroxyl, lower alkyl, lower alkoxy and NR 4 R 5 ; Ring B is aryl; Ring A is A is independently selected from C, N, O and S and Ring A is aromatic, R 4 and R 5 are selected from hydrogen, lower alkyl or lower alkyl substituted by hydroxyl or lower alkoxy, X is O or NH, and the pharmaceutically acceptable salts thereof.