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发明人罗永刚,赵玉洁,林芳. "Method for the Synthesis of Benzyl (S)-2-ethynyl-4,4-difluoropyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110317611 B, 授权公告日 2020-04-09.
发明人唐晓军,郑宇鹏,黄志刚. "A Process for Preparing High-Purity Benzyl (S)-2-ethynyl-4,4-difluoropyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112962500 B, 授权公告日 2021-08-24.
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