This invention relates to new benzamide derivatives having a vasopressin antagonistic activity, etc. and represented by general formula (I):
is aryl optionally substituted with lower alkoxy, etc.,
is lower alkyl, etc.,
is hydrogen, etc.,
A is NH, etc.,
X is —CH═CH—, —CH═N—, or S, and
Y is a condensed heterocyclic group, etc.,
and pharmaceutically acceptable salts thereof, to processes for preparation thereof and to a pharmaceutical composition comprising the same.