Terephthalic acid monoamide derivatives, process for preparing the same,
申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US04221814A1
公开(公告)日:1980-09-09
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.