申请人:Hoffmann-La Roche Inc.
公开号:US03991197A1
公开(公告)日:1976-11-09
Compounds represented by the formula ##SPC1## Wherein R.sup.1 is a pyridyl, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is hydrogen, lower alkyl or benzyl and R.sup.4 is phenyl or phenyl substituted at one or more carbon atoms with one or more of halogen, lower alkyl, lower alkoxy, nitro or amino and pharmaceutically acceptable acid addition salts thereof, having analgesic activity are disclosed.
由公式##SPC1##表示的化合物,其中R.sup.1是吡啶基,R.sup.2是氢或较低的烷基,R.sup.3是氢、较低的烷基或苄基,R.sup.4是苯基或苯基在一个或多个碳原子上被一个或多个卤素、较低烷基、较低烷氧基、硝基或氨基取代,以及其药学上可接受的酸盐,具有镇痛活性。