发明人冯建国,孙丽萍,何建平. "Method for the Synthesis of N-(3,4-Difluorophenyl)-N-(methylsulfonyl)glycine" [P]. 中国发明专利, 专利号 CN 111676244 A, 授权公告日 2022-07-13.
发明人刘建华,孙丽萍,高志强. "A Process for Preparing High-Purity N-(3,4-Difluorophenyl)-N-(methylsulfonyl)glycine" [P]. 中国发明专利, 专利号 CN 110218978 B, 授权公告日 2019-09-15.
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