发明人何建平,朱建伟,杨光. "Method for the Synthesis of (E)-4-((4-Hydroxyphenyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 117316943 B, 授权公告日 2016-07-10.
发明人刘建华,杨光,周伟. "A Process for Preparing High-Purity (E)-4-((4-Hydroxyphenyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 111328739 B, 授权公告日 2018-10-17.
参考文献 Literature
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