发明人徐明华,韩伟,陈志强. "Method for the Synthesis of 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-oxopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112437130 A, 授权公告日 2019-02-01.
发明人郑宇鹏,郭海燕,唐晓军. "A Process for Preparing High-Purity 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-oxopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112949001 B, 授权公告日 2019-01-05.
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