申请人:Boehringer Ingelheim GmbH
公开号:US03998962A1
公开(公告)日:1976-12-21
Pharmaceutical dosage unit compositions containing as an active ingredient a compound of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl, R.sub.2, R.sub.4 and R.sub.5, which may be identical to or different from each other, are each hydrogen, lower alkyl, hydroxyl, lower alkoxy, acyloxy, halogen, nitro or --SO.sub.3 H, and R.sub.3 and R.sub.6, which may be identical to or different from each other, are each hydrogen, lower alkyl, hydroxyl, lower alkoxy, acyloxy, halogen, nitro, --SO.sub.3 H, hydroxycarbonyl-methoxy, .beta.-hydroxy-ethoxy or .beta.-amino-ethoxy, Or a salt thereof; and a method of using the same as antiallergics.
含有化合物的药物剂量单位组合物的配方,该化合物的化学式为##STR1##其中R.sub.1是氢或低烷基,R.sub.2,R.sub.4和R.sub.5可能相同或不同,分别是氢,低烷基,羟基,低烷氧基,酰氧基,卤素,硝基或--SO.sub.3H,R.sub.3和R.sub.6可能相同或不同,分别是氢,低烷基,羟基,低烷氧基,酰氧基,卤素,硝基,--SO.sub.3H,羟基羧酸甲氧基,.beta.-羟基乙氧基或.beta.-氨基乙氧基,或其盐;以及将其用作抗过敏剂的方法。