Substituted oxophthalazinyl acetic acids having aldose reductase inhibitory activity have the formula
wherein A¹, A², B, R¹, R² and R³ are specifically defined, including the pharmaceutically acceptable base salts thereof when R¹ is hydrogen, and certain intermediates therefor.
具有醛糖还原酶抑制活性的取代氧
酞嗪基
乙酸具有以下式子
其中 A¹、A²、B、R¹、R² 和 R³ 已明确定义,包括 R¹ 为氢时的药学上可接受的碱式盐及其某些中间体。