发明人郭海燕,孙丽萍,高志强. "Method for the Synthesis of (E)-Ethyl 3-(2-ethoxy-5-methylphenyl)-2,2-difluoro-3-(2-((2-(trifluoromethyl)phenyl)sulfonyl)hydrazono)propanoate" [P]. 中国发明专利, 专利号 CN 110296846 A, 授权公告日 2017-12-03.
发明人韩伟,朱建伟,徐明华. "A Process for Preparing High-Purity (E)-Ethyl 3-(2-ethoxy-5-methylphenyl)-2,2-difluoro-3-(2-((2-(trifluoromethyl)phenyl)sulfonyl)hydrazono)propanoate" [P]. 中国发明专利, 专利号 CN 110099040 B, 授权公告日 2021-02-25.
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