发明人赵玉洁,孙丽萍,李文辉. "Method for the Synthesis of 6-(Difluoromethyl)-5-iodo-3-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 112851251 B, 授权公告日 2016-06-21.
发明人马晓峰,周伟,王建平. "A Process for Preparing High-Purity 6-(Difluoromethyl)-5-iodo-3-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 115373512 A, 授权公告日 2017-08-18.
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