发明人刘建华,赵玉洁,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115369704 A, 授权公告日 2015-09-03.
发明人郑宇鹏,郭海燕,张德明. "Method for the Synthesis of 3-(Difluoromethyl)-4-(hydroxymethyl)-6-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 113476117 A, 授权公告日 2015-12-19.
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