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发明人冯建国,刘建华,郑宇鹏. "A Process for Preparing High-Purity 2-Butenedioic acid (2Z)-, polymer with (2Z)-4-amino-4-oxo-2-butenoic acid and ethenylbenzene, ammonium salt" [P]. 中国发明专利, 专利号 CN 111932361 B, 授权公告日 2020-07-23.
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