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发明人黄志刚,唐晓军,罗永刚. "Method for the Synthesis of 3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-(pyridin-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113563720 A, 授权公告日 2016-10-28.
发明人陈志强,郭海燕,朱建伟. "A Process for Preparing High-Purity 3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-3-(pyridin-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 115923414 B, 授权公告日 2022-11-22.
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