Novel phenoxyalkylcarboxylic acid derivatives represented by the following general formula (1)
wherein R¹ denotes a hydrogen atom, a methyl group or an ethyl group, and the alkali salts thereof having a strong and selective leucotriene antagonistic action and useful for prophylaxis and therapy of allergic diseases such as asthma, processes of preparing the same and anti-allergic agents comprising the same.
由以下通式(1)代表的新型苯氧基烷基
羧酸衍
生物
其中 R¹ 表示氢原子、甲基或乙基,及其碱盐具有强烈的选择性
白三烯拮抗作用,可用于预防和治疗过敏性疾病(如哮喘),制备方法和抗过敏制剂也包含这些物质。