Phenoxyalkylcarboxylic acid derivatives of the following formula,
wherein R¹ indicates a hydrogen atom, a methyl group or an ethyl group, m is equal to 2, 3 or 4, and n is equal to 3 or 4, their alkali salts and hydrates thereof are useful as antiallergic agents.
下式的苯氧基烷基
羧酸衍
生物、
其中 R¹ 表示氢原子、甲基或乙基,m 等于 2、3 或 4,n 等于 3 或 4,它们的碱式盐和
水合物可用作抗过敏剂。