发明人刘建华,胡光,郑宇鹏. "Method for the Synthesis of 3-(Difluoromethyl)-4-methyl-5-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 111981096 B, 授权公告日 2018-12-27.
发明人钱学锋,朱建伟,周伟. "A Process for Preparing High-Purity 3-(Difluoromethyl)-4-methyl-5-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 113020429 B, 授权公告日 2015-12-08.
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