发明人张德明,赵玉洁,陈志强. "Method for the Synthesis of 1-(2-Oxo-2-(propylamino)ethyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116596714 A, 授权公告日 2020-09-04.
发明人赵玉洁,唐晓军,罗永刚. "A Process for Preparing High-Purity 1-(2-Oxo-2-(propylamino)ethyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112154860 B, 授权公告日 2020-05-22.
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