发明人孙丽萍,罗永刚,赵玉洁. "Method for the Synthesis of Imidazo[1,2-b]pyridazine-6-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 113105677 A, 授权公告日 2017-01-24.
发明人赵玉洁,杨光,朱建伟. "A Process for Preparing High-Purity Imidazo[1,2-b]pyridazine-6-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 115802576 B, 授权公告日 2017-08-12.
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