发明人李文辉,刘建华,张德明. "Method for the Synthesis of 2-Ethyl-1-[(9h-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116185182 A, 授权公告日 2025-05-08.
发明人刘建华,陈志强,韩伟. "A Process for Preparing High-Purity 2-Ethyl-1-[(9h-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114960662 B, 授权公告日 2021-10-25.
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