发明人杨光,陈志强,孙丽萍. "Method for the Synthesis of (E)-4-(2,3-Difluorophenyl)but-3-enoic acid" [P]. 中国发明专利, 专利号 CN 116135265 A, 授权公告日 2018-06-18.
发明人张德明,韩伟,徐明华. "A Process for Preparing High-Purity (E)-4-(2,3-Difluorophenyl)but-3-enoic acid" [P]. 中国发明专利, 专利号 CN 112325370 A, 授权公告日 2020-11-11.
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