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发明人朱建伟,胡光,罗永刚. "A Process for Preparing High-Purity 5-(azetidin-1-yl)-2-(piperidin-3-yl)-2,3-dihydropyridazin-3-one" [P]. 中国发明专利, 专利号 CN 113240731 B, 授权公告日 2018-09-23.
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