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发明人郑宇鹏,高志强,郭海燕. "A Process for Preparing High-Purity 2-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 117137227 B, 授权公告日 2018-01-25.
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