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发明人罗永刚,朱建伟,钱学锋. "A Process for Preparing High-Purity 2-(Chloromethyl)-6-cyano-3-(difluoromethyl)-4-fluoropyridine" [P]. 中国发明专利, 专利号 CN 108734360 A, 授权公告日 2021-04-27.
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