发明人胡光,刘建华,郑宇鹏. "Method for the Synthesis of (2S,3’S)-N-[3-t-Butoxycarbonyl-3-benzyloxycarbonylamino-propyl]]azetidine-2-carboxylic Acid, t-Butyl Ester" [P]. 中国发明专利, 专利号 CN 111411483 B, 授权公告日 2021-10-05.
发明人赵玉洁,唐晓军,徐明华. "A Process for Preparing High-Purity (2S,3’S)-N-[3-t-Butoxycarbonyl-3-benzyloxycarbonylamino-propyl]]azetidine-2-carboxylic Acid, t-Butyl Ester" [P]. 中国发明专利, 专利号 CN 113845333 B, 授权公告日 2023-02-20.
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