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发明人刘建华,郭海燕,钱学锋. "Method for the Synthesis of 3-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-6-amine" [P]. 中国发明专利, 专利号 CN 111897756 A, 授权公告日 2023-11-03.
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