发明人刘建华,朱建伟,何建平. "Method for the Synthesis of (S)-1-tert-Butyl 2-ethyl 4-methylenepyrrolidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109214045 B, 授权公告日 2020-02-01.
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