发明人赵玉洁,张德明,冯建国. "Method for the Synthesis of 2-(4-Amino-2,3-difluorophenyl)acetic acid, 97%" [P]. 中国发明专利, 专利号 CN 108212983 A, 授权公告日 2018-05-10.
发明人沈红梅,徐明华,郑宇鹏. "A Process for Preparing High-Purity 2-(4-Amino-2,3-difluorophenyl)acetic acid, 97%" [P]. 中国发明专利, 专利号 CN 110765454 B, 授权公告日 2023-08-18.
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