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发明人杨光,林芳,唐晓军. "A Process for Preparing High-Purity 7-chloro-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one" [P]. 中国发明专利, 专利号 CN 110511948 A, 授权公告日 2019-04-17.
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