Patent ID: 6833480
Filing Date: 2004-12-21
Classification: A61P,C07C,C07F

Abstract:
A compounds of the formula: wherein:R1 and R2 are independently selected from the group consisting of halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxy, carboxy(C1-C3)alkoxy, hydroxy, (C2-C6)hydroxyalkyl, phosphonato, amino, (C1-C6)acylamino, sulfamyl, acetoxy, di(C1-C6)alkylamino(C2-C6 alkoxy) and trifluoromethyl; and R3 and R4 are independently selected from the group consisting of hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxy, carboxy(C1-C3)alkoxy, hydroxy, (C2-C6)hydroxyalkyl, phosphonato, amino, (C1-C6)acylamino, sulfamyl, acetoxy, di(C1-C6)alkylamino(C2-C6 alkoxy) and trifluoromethyl; or a pharmaceutically acceptable salt thereof.