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发明人沈红梅,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity Methyl 4-hydroxy-6-oxo-1-phenyl-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109609493 A, 授权公告日 2024-03-08.
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