Patent ID: 6211242
Filing Date: 2001-04-03
Classification: A61P,C07C,C07D

Abstract:
A compound of the formula: ##STR18##whereinR.sup.1 is aryl or haloaryl, each of which is substituted with lower alkoxy substituted with N-(lower alkyl)-piperazinylcarbonyl, esterified carboxy or carboxy; or pyridyl, or thienyl, each of which is optionally substituted with esterified carboxy;R.sup.2 is lower alkyl optionally substituted with hydroxy, aryl or acyl; or cyclo(lower)alkyl;R.sup.3 is hydrogen, halogen, lower alkyl, lower alkoxy, nitro or amino;R.sup.4 is lower alkyl, or optionally substituted aryl;X is CH; andY is CH;or a pharmaceutically acceptable salt thereof.