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发明人沈红梅,韩伟,林芳. "A Process for Preparing High-Purity (E)-4-((4-bromo-1-methyl-1H-pyrazol-5-yl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 115115128 A, 授权公告日 2020-08-04.
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