发明人孙丽萍,杨光,罗永刚. "Method for the Synthesis of 6-Cyano-5-(difluoromethyl)-3-(trifluoromethyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 114761288 B, 授权公告日 2015-04-15.
发明人郭海燕,钱学锋,王建平. "A Process for Preparing High-Purity 6-Cyano-5-(difluoromethyl)-3-(trifluoromethyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 115703421 A, 授权公告日 2024-12-08.
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