发明人黄志刚,马晓峰,周伟. "Method for the Synthesis of 2-Butenedioic acid (2E)-, ammonium salt" [P]. 中国发明专利, 专利号 CN 108880002 A, 授权公告日 2023-06-17.
发明人朱建伟,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity 2-Butenedioic acid (2E)-, ammonium salt" [P]. 中国发明专利, 专利号 CN 115244454 B, 授权公告日 2016-11-19.
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