发明人冯建国,唐晓军,陈志强. "Method for the Synthesis of 2-(Azetidin-1-ylsulfonyl)acetic acid" [P]. 中国发明专利, 专利号 CN 109096062 A, 授权公告日 2018-05-13.
Björnsson E, Sørensen M, Kowalski A. "A Process for Preparing High-Purity 2-(Azetidin-1-ylsulfonyl)acetic acid" [P]. European Patent, EP 3354181 A1, 2017-02-20.
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