发明人朱建伟,高志强,徐明华. "Method for the Synthesis of 4-(2-Aminophenyl)-4-oxo-2-butenoic Acid" [P]. 中国发明专利, 专利号 CN 115693028 A, 授权公告日 2022-04-13.
发明人唐晓军,何建平,罗永刚. "A Process for Preparing High-Purity 4-(2-Aminophenyl)-4-oxo-2-butenoic Acid" [P]. 中国发明专利, 专利号 CN 114480213 B, 授权公告日 2025-12-27.
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