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发明人罗永刚,陈志强,钱学锋. "A Process for Preparing High-Purity 2-(Methylthio)pyrido[2,3-d]pyrimidin-5(8H)-one" [P]. 中国发明专利, 专利号 CN 110814002 A, 授权公告日 2016-03-18.
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