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发明人张德明,周伟,韩伟. "A Process for Preparing High-Purity tert-Butyl (6-chloro-3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-yl)carbamate" [P]. 中国发明专利, 专利号 CN 109300151 B, 授权公告日 2020-02-01.
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