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发明人郭海燕,朱建伟,冯建国. "Method for the Synthesis of 3-Azetidineacetic acid 1-[(1,1-dimethylethoxy)carbonyl]-3-hydroxy-, ethyl ester" [P]. 中国发明专利, 专利号 CN 117954253 B, 授权公告日 2016-09-26.
发明人黄志刚,郑宇鹏,李文辉. "A Process for Preparing High-Purity 3-Azetidineacetic acid 1-[(1,1-dimethylethoxy)carbonyl]-3-hydroxy-, ethyl ester" [P]. 中国发明专利, 专利号 CN 114353109 A, 授权公告日 2018-01-25.
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