Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed. 5-Methylthio-7-isopropoxyxanthone-2-carboxylic acid and 5,7-di-(methylthio)xanthone-2-carboxylic acid are illustrated as representative compounds.
包含和使用新型二取代黄
酮羧酸化合物作为主要成分的组合物和方法,这些化合物对治疗过敏症状有用。还公开了制备这些化合物、组合物和其中间体的方法。以5-甲
硫基-7-异丙氧基
黄酮-2-
羧酸和5,7-二-(甲
硫基)
黄酮-2-
羧酸作为代表性化合物。