发明人徐明华,郑宇鹏,郭海燕. "Method for the Synthesis of Methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-4-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoate" [P]. 中国发明专利, 专利号 CN 113832543 A, 授权公告日 2016-06-27.
发明人王建平,胡光,刘建华. "A Process for Preparing High-Purity Methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-4-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoate" [P]. 中国发明专利, 专利号 CN 113076262 B, 授权公告日 2022-09-24.
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