发明人李文辉,郑宇鹏,孙丽萍. "Method for the Synthesis of (E)-4-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 115336110 B, 授权公告日 2017-03-25.
Park J H, Klinger H, Kumar R. "A Process for Preparing High-Purity (E)-4-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)-4-oxobut-2-enoic acid" [P]. US Patent, US 9946074 B2, 2025-10-01.
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