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发明人何建平,孙丽萍,周伟. "A Process for Preparing High-Purity 5-Amino-1-(4-hydroxy-6-methylpyrimidin-2-yl)-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 109023034 A, 授权公告日 2018-11-15.
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