发明人钱学锋,周伟,杨光. "Method for the Synthesis of (2Z)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(ethoxymethylidene)butane-1,3-dione" [P]. 中国发明专利, 专利号 CN 110956333 B, 授权公告日 2016-07-14.
发明人杨光,胡光,黄志刚. "A Process for Preparing High-Purity (2Z)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(ethoxymethylidene)butane-1,3-dione" [P]. 中国发明专利, 专利号 CN 112265952 B, 授权公告日 2018-05-21.
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