申请人:Masayuki Ishikawa
公开号:US04405623A1
公开(公告)日:1983-09-20
A 5,6,7-substituted-2,4(1H,3H)-quinazolinedione compound of the formula (I), ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, A and B are as defined in claim 1 and its acid addition salt; and a vasodilating and hypotensive composition containing the aforesaid compound.
式(I)的5,6,7-取代-2,4(1H,3H)-喹唑啉二酮化合物,其中R.sub.1,R.sub.2,R.sub.3,A和B如权利要求1所定义,并其酸盐;以及含有上述化合物的扩血管和降压组合物。