发明人王建平,韩伟,马晓峰. "Method for the Synthesis of (E)-4-oxo-4-(4-(4-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)but-2-enoic acid" [P]. 中国发明专利, 专利号 CN 113473569 B, 授权公告日 2020-06-28.
发明人赵玉洁,高志强,唐晓军. "A Process for Preparing High-Purity (E)-4-oxo-4-(4-(4-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)but-2-enoic acid" [P]. 中国发明专利, 专利号 CN 117246739 A, 授权公告日 2015-10-26.
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