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发明人郑宇鹏,王建平,韩伟. "A Process for Preparing High-Purity N-(4-methoxybenzyl)-4-ureido-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114203663 B, 授权公告日 2017-10-26.
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