申请人:Aktiebolaget Draco
公开号:US04233303A1
公开(公告)日:1980-11-11
Compounds of the formula ##STR1## or physiologically acceptable salts thereof in which formula R.sup.1 is methyl, ethyl or n-propyl, R.sup.2 is methyl or n-propyl and R.sup.3 is ##STR2## methods for the preparation thereof; intermediates useful for their preparation; pharmaceutical preparations containing at least one of these compounds; and the use thereof in the treatment of allergy and bronchial asthma.
公式##STR1##的化合物或其生理上可接受的盐,其中R.sup.1是甲基、乙基或正丙基,R.sup.2是甲基或正丙基,R.sup.3是##STR2##,其制备方法;用于其制备的中间体;含有至少一种这些化合物的药物制剂;以及它们在治疗过敏和支气管哮喘中的用途。