申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04438126A1
公开(公告)日:1984-03-20
The invention is directed to compounds of the formula ##STR1## wherein R.sub.a.sup.1 is phenyl, R.sup.2 is halogen, R.sup.3 is carboxy or lower alkoxycarbonyl, Y.sub.a is oxygen, A is C.sub.1 -C.sub.6 alkylene, pharmaceutically acceptable salts thereof, and aldose reductase inhibiting pharmaceutical compositions thereof.
本发明涉及以下式子的化合物:##STR1## 其中R.sub.a.sup.1是苯基,R.sup.2是卤素,R.sup.3是羧基或低碳酸酯基,Y.sub.a是氧原子,A是C.sub.1-C.sub.6烷基,其药学上可接受的盐及其醛糖还原酶抑制剂药物组合物。