Isoflavans of the formula I
wherein the groups OR, R', R" and ring B are as defined in the specification, exhibit valueable pharmacological properties, especially for the treatment of vascular diseases. They are prepared by methods known per se.
式 I 的异
黄酮(其中基团 OR、R'、R "和环 B 如说明书中所定义)具有宝贵的药理特性,特别是在治疗血管疾病方面。 它们是通过本身已知的方法制备的。