发明人罗永刚,郑宇鹏,郭海燕. "Method for the Synthesis of 2-({2-[(3-methoxyphenyl)amino]-2-oxoethyl}thio)benzoic acid" [P]. 中国发明专利, 专利号 CN 117266394 B, 授权公告日 2020-07-18.
发明人郭海燕,陈志强,杨光. "A Process for Preparing High-Purity 2-({2-[(3-methoxyphenyl)amino]-2-oxoethyl}thio)benzoic acid" [P]. 中国发明专利, 专利号 CN 111428197 B, 授权公告日 2017-04-22.
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