发明人杨光,李文辉,罗永刚. "Method for the Synthesis of 3-Methoxy-6-(methylsulfonyl)-2-phenylimidazo[1,2-b]pyridazine" [P]. 中国发明专利, 专利号 CN 109831504 A, 授权公告日 2019-08-19.
Mueller T C, Johansson L, Kowalski A. "A Process for Preparing High-Purity 3-Methoxy-6-(methylsulfonyl)-2-phenylimidazo[1,2-b]pyridazine" [P]. European Patent, EP 3340801 A1, 2019-02-06.
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