Benzopyran derivatives of the formula: ##STR1## wherein the variables are defined in the specification and the pharmaceutically acceptable acid addition salts thereof possess the inhibitory activity on Maillard reaction and an antioxidizing effect, and therefore, are useful for the prevention and treatment of several diabetic complications, diseases induced by aging and several diseases caused by formation of peroxidized fat.
苯并
吡喃衍
生物的
化学式为:##STR1## 其中变量在规范中有定义,以及其药用酸盐具有对美拉德反应的抑制活性和抗氧化作用,因此对于预防和治疗多种糖尿病并发症、老化引起的疾病以及因过氧化脂肪形成引起的多种疾病是有用的。