发明人李文辉,赵玉洁,钱学锋. "Method for the Synthesis of 2-Bromo-4-(difluoromethyl)-6-(trifluoromethyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 113739909 B, 授权公告日 2018-12-14.
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