发明人韩伟,王建平,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117074401 A, 授权公告日 2019-12-01.
发明人朱建伟,马晓峰,韩伟. "Method for the Synthesis of 8-Bromo-6-chloro-N-(3-fluoropyridin-4-yl)imidazo[1,2-b]pyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111062868 A, 授权公告日 2021-05-24.
发明人郑宇鹏,刘建华,沈红梅. "A Process for Preparing High-Purity 8-Bromo-6-chloro-N-(3-fluoropyridin-4-yl)imidazo[1,2-b]pyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112710334 B, 授权公告日 2022-11-03.
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