发明人杨光,陈志强,冯建国. "一种3-(1-(((苄氧基)羰基)氨基)-2-甲氧基-2-氧代乙基)氮杂环丁烷-1-羧酸叔丁酯的合成方法" [P]. 中国发明专利, 专利号 CN 115994658 A, 授权公告日 2017-04-23.
发明人徐明华,沈红梅,孙丽萍. "Method for the Synthesis of tert-Butyl 3-(1-(((benzyloxy)carbonyl)amino)-2-methoxy-2-oxoethyl)azetidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111515418 A, 授权公告日 2023-02-15.
参考文献 Literature
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