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发明人钱学锋,周伟,刘建华. "A Process for Preparing High-Purity (S)-5,7-Dichloro-2,3-dihydrobenzofuran-3-amine" [P]. 中国发明专利, 专利号 CN 109529578 B, 授权公告日 2021-12-14.
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