发明授权
US4221814A Terephthalic acid monoamide derivatives, process for preparing the same, and an anti-allergic agent prepared from the same 失效
对苯二甲酸单酰胺衍生物,其制备方法和由其制备的抗过敏剂

Terephthalic acid monoamide derivatives, process for preparing the same,
and an anti-allergic agent prepared from the same
摘要:
A terephthalic acid monoamide derivative of the formula: ##STR1## (wherein R is a straight- or branched-chain lower alkyl group; R' and R" may be the same or different, and represent a hydrogen atom, or a straight- or branched-chain lower alkyl group) or pharmaceutically acceptable salts thereof are disclosed. A process for preparing such terephthalic acid monoamide derivative or its salts, as well as an anti-allergic agent containing such derivative or its salts as an effective ingredient are also disclosed.
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