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发明人胡光,周伟,高志强. "A Process for Preparing High-Purity (3R,4S)-4-(4-ethoxy-2,6-difluorophenyl)-2-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113844730 B, 授权公告日 2020-04-13.
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