发明人郭海燕,陈志强,赵玉洁. "Method for the Synthesis of 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-fluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 108157898 B, 授权公告日 2019-04-09.
发明人刘建华,高志强,韩伟. "A Process for Preparing High-Purity 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-fluorophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 114083547 B, 授权公告日 2020-10-17.
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