发明人张德明,黄志刚,罗永刚. "Method for the Synthesis of Methyl 2-amino-6-chloroimidazo[1,2-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111468943 A, 授权公告日 2021-01-21.
发明人钱学锋,杨光,陈志强. "A Process for Preparing High-Purity Methyl 2-amino-6-chloroimidazo[1,2-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114424834 A, 授权公告日 2017-05-06.
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