发明人周伟,张德明,沈红梅. "Method for the Synthesis of 2-(2,6-Difluorophenyl)-2-(dimethylamino)acetic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 114022466 B, 授权公告日 2023-11-20.
发明人高志强,赵玉洁,周伟. "A Process for Preparing High-Purity 2-(2,6-Difluorophenyl)-2-(dimethylamino)acetic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 114342811 B, 授权公告日 2020-04-12.
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