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发明人郭海燕,冯建国,郑宇鹏. "A Process for Preparing High-Purity (1S,2S)-1-((Tert-butoxycarbonyl)amino)-2-ethylcyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111032861 B, 授权公告日 2021-04-19.
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