Patent ID: 6657060
Filing Date: 2003-12-02
Classification: A61P,C07D

Abstract:
A compound of the formula: wherein R1 and R2 together with the N atom to which they are attached form a pyrrolidine ring, a pyrrolidine ring that is substituted with alkyl, azetidine ring, or an azetidine ring that is substituted with alkyl; R3 is alkyl, cycloalkyl, alkoxyalkyl, hydroxyalkyl, haloalkyl, alkoxy, alkoxyalkoxy, hydroxyalkoxyalkyl, hydroxyalkoxy, aralkyl or amino; R4 is aryl or heteroaryl, wherein R4 is not nitro-furyl or nitro-thienyl; A1 is CH or N; A2 is CH or N; wherein one of the A1 and A2 is N and the other is CH; or a pharmaceutically usable salt or ester thereof.