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发明人张德明,孙丽萍,唐晓军. "A Process for Preparing High-Purity 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-amine" [P]. 中国发明专利, 专利号 CN 116911425 B, 授权公告日 2019-02-25.
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