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发明人杨光,郑宇鹏,郭海燕. "A Process for Preparing High-Purity 1-[4-(Trifluoromethyl)pyridazin-3-yl]ethan-1-one" [P]. 中国发明专利, 专利号 CN 115659353 A, 授权公告日 2022-01-09.
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