PCT No. PCT/JP95/01497 Sec. 371 Date Jan. 29, 1997 Sec. 102(e) Date Jan. 29, 1997 PCT Filed Jul. 27, 1995 PCT Pub. No. WO96/04254 PCT Pub. Date Feb. 15, 1996Benzodiazepine derivatives of formula (I) wherein R1 is aryl which may have one or more suitable substituent(s), R2 is C3-C8 cycloalkyl which may have one or more suitable substituent(s), A is lower alkylene, R3 is a heterocyclic group selected from the group consisting of tetrahydrofuryl, dioxolanyl, filryl, thienyl, isoxazolyl, pyridyl, benzimidazolyl, benzotiazolyl, benzoxazolyl, benzopyrany, quinolyl, isoquinolyl, tetrahydroisoquinolyl, benzothienyl and benzofuryl, each of which may have one or more suitable substituent(s), or a pharmaceutically acceptable salt thereof, which are useful as a medicament.
Benzodiazepine derivatives