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发明人赵玉洁,黄志刚,韩伟. "Method for the Synthesis of 4,7-Dichloro-2-(difluoromethyl)-8-fluoropyrido[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 109397916 A, 授权公告日 2021-06-13.
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