Patent ID: 6124460
Filing Date: 2000-09-26
Classification: A61P,C07D

Abstract:
A compound of formula (I) or hydrochloride salt thereof, ##STR10## wherein: R.sub.1 is hydrogen atom, carboxyl group, ethoxycarbonyl group, 4-(ethoxycarbonyl)phenyl group, 4-(carboxy)phenyl group, 2-(carboxy)-thiophene-5-yl group, quinoline-5-yl group, 4-(quinoline-5-yl)phenyl group or 4-(3-oxo-2-azabicyclo[2.2.2]octane-2-yl)-phenyl group;R.sub.2 is hydrogen atom or allyl group;both X.sub.1 and X.sub.2 are hydrogen atom or X.sub.1 and X.sub.2 form an oxo group;m stands for an integer of 0 to 2.