发明人唐晓军,韩伟,徐明华. "Method for the Synthesis of (Z)-4-((2-chlorophenyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 110201963 B, 授权公告日 2018-09-04.
发明人郭海燕,沈红梅,高志强. "A Process for Preparing High-Purity (Z)-4-((2-chlorophenyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 116357008 B, 授权公告日 2025-09-18.
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