发明人赵玉洁,孙丽萍,朱建伟. "Method for the Synthesis of (E)-1-chloro-1,1-difluoro-4-(indolin-1-yl)but-3-en-2-one" [P]. 中国发明专利, 专利号 CN 108949860 B, 授权公告日 2017-03-27.
发明人黄志刚,郭海燕,何建平. "A Process for Preparing High-Purity (E)-1-chloro-1,1-difluoro-4-(indolin-1-yl)but-3-en-2-one" [P]. 中国发明专利, 专利号 CN 108113099 A, 授权公告日 2020-03-13.
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