发明人沈红梅,郑宇鹏,高志强. "Method for the Synthesis of 2-(2-((2,6-Difluorophenyl)amino)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 117363882 B, 授权公告日 2018-08-27.
发明人郑宇鹏,郭海燕,张德明. "A Process for Preparing High-Purity 2-(2-((2,6-Difluorophenyl)amino)phenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 110611992 B, 授权公告日 2021-05-05.
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