Hexahydro-.gamma.-carboline derivatives and their salts
申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:US03983239A1
公开(公告)日:1976-09-28
Hexahydro-.gamma.-carboline derivatives of the formula: ##SPC1## Wherein R.sub.1 is methyl or ethyl, and R.sub.2 is hydrogen, methyl or ethyl, with proviso that when R.sub.1 is ethyl, R.sub.2 is hydrogen, and their pharmaceutically acceptable acid addition salts, which exhibit excellent psychotropic effect, and a process for the preparation thereof.