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发明人钱学锋,马晓峰,郭海燕. "A Process for Preparing High-Purity (S)-3-Amino-2,3-dihydrobenzofuran-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110396886 A, 授权公告日 2015-10-14.
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