申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:US04017622A1
公开(公告)日:1977-04-12
Piperazine derivatives of the following formula ##STR1## wherein A and B are a carbon atom or a nitrogen atom except the case where both A and B are nitrogen atoms, R.sub.1 is hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a benzyl group or acetyl group; R.sub.2 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a benzyl group or a vinyl group; and R.sub.3 is hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and pharmaceutically acceptable salts thereof.
以下为Piperazine衍生物的化学式:##STR1## 其中A和B是碳原子或氮原子,但不包括A和B都是氮原子的情况;R.sub.1是氢原子,具有1至4个碳原子的烷基,苯甲基或乙酰基;R.sub.2是氢原子,具有1至4个碳原子的烷基,苯甲基或乙烯基;R.sub.3是氢原子或具有1至6个碳原子的烷基,以及其药学上可接受的盐。