PROCESS FOR PRODUCING BENZODIAZEPINE DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS COMPRISING SAME

摘要

Benzodiazepine derivatives of formula (I), wherein R<1> is heterocyclic group which may have one or more suitable substituent(s), or cyano, R<2> is hydrogen or halogen, R<3> is aryl which may have one or more suitable substituent(s), R<4> is aryl which may have one or more suitable substituent(s), etc., and A is lower alkylene, and pharmaceutically acceptable salts thereof which are useful as a medicament.