申请人:Teikoku Hormone Mfg. Co., Ltd.
公开号:US04843072A1
公开(公告)日:1989-06-27
A pyridazinone derivative represented by the following general formula ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group, either one of R.sub.2, R.sub.3 and R.sub.4 represents a hydrogen atom and the remaining two of them represent a lower alkyl group, a trifluoromethyl group, a halogen atom, a cyano group or a nitro group, and a salt thereof. The compounds are useful as antihypertensive agents.
以下是该化合物的中文翻译:一种由下列一般式所代表的吡啶并酮衍生物,其中R.sub.1代表氢原子或甲基基团,R.sub.2、R.sub.3和R.sub.4中的任一种代表氢原子,其余两种代表较低的烷基基团、三氟甲基基团、卤原子、氰基或硝基,以及其盐。这些化合物可用作降压药。