Patent ID: 6444702
Filing Date: 2002-09-03
Classification: A61P,C07C

Abstract:
A compound of the following formula or a pharmaceutically acceptable salt thereof: wherein R1 is H, alkyl, heteroalkyl, aryl, heteroaryl, C(O)OR6, or C(O)R6; R2 is H, alkyl, heteroalkyl, aryl, heteroaryl, C(O)OR6 or C(O)R6; R3 is H, alkyl, heteroalkyl, aryl or heteroaryl; R4 is H, alkyl, heteroalkyl, aryl, or heteroaryl; R5 is OR7 alkyl-OR7 or heteroalkylâ€”OR7; R6 is heteroalkyl, aryl or heteroaryl; R7 is NO2, C(O)R6, C(O)alkylâ€”ONO2 or C(O)heteroalkylâ€”ONO2.