发明人李文辉,钱学锋,周伟. "Method for the Synthesis of 6-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 108814504 B, 授权公告日 2023-09-17.
发明人胡光,高志强,杨光. "A Process for Preparing High-Purity 6-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 117777239 B, 授权公告日 2015-02-25.
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