发明人孙丽萍,胡光,沈红梅. "Method for the Synthesis of Ethyl 1-(phenylsulfonyl)azetidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112424472 A, 授权公告日 2018-04-03.
发明人杨光,赵玉洁,黄志刚. "A Process for Preparing High-Purity Ethyl 1-(phenylsulfonyl)azetidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115378931 A, 授权公告日 2022-08-07.
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