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发明人罗永刚,沈红梅,刘建华. "A Process for Preparing High-Purity (S)-tert-Butyl 2-(2-cyanoacetyl)pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116085030 A, 授权公告日 2022-10-16.
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