发明授权
US5023364A Phenoxyalkylcarboxylic acid derivatives and process for their preparation 失效
苯氧基烷基羧酸衍生物及其制备方法

Phenoxyalkylcarboxylic acid derivatives and process for their preparation
摘要:
Phenoxyalkylcarboxylic acid derivatives of the following formula, ##STR1## wherein R.sup.1 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.
信息查询
0/0