发明人杨光,郭海燕,郑宇鹏. "Method for the Synthesis of 4-Cyano-2-(difluoromethyl)-5-iodopyridine-3-acetonitrile" [P]. 中国发明专利, 专利号 CN 112402757 B, 授权公告日 2018-03-21.
发明人杨光,黄志刚,胡光. "A Process for Preparing High-Purity 4-Cyano-2-(difluoromethyl)-5-iodopyridine-3-acetonitrile" [P]. 中国发明专利, 专利号 CN 109492433 B, 授权公告日 2019-06-15.
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