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发明人沈红梅,陈志强,郑宇鹏. "A Process for Preparing High-Purity 1-(1-(2,6-Dichlorobenzyl)-6-oxo-1,6-dihydropyridin-3-yl)-3-phenylurea" [P]. 中国发明专利, 专利号 CN 116569970 B, 授权公告日 2024-02-20.
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