申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US04258185A1
公开(公告)日:1981-03-24
Pyridazinone compounds of the formula: ##STR1## wherein A, B, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined hereinafter, and pharmaceutically acceptable acid addition salts thereof are disclosed. They are useful as antithrombotic and antihypertensive drugs.
Pyridazinone化合物的化学式为:##STR1## 其中A、B、R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5的定义如下,以及其药学上可接受的酸盐也被披露。它们可用作抗血栓和降压药物。