发明人徐明华,孙丽萍,罗永刚. "Method for the Synthesis of Ethyl 8-bromoimidazo[1,2-b]pyridazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 114042116 A, 授权公告日 2024-04-12.
发明人沈红梅,韩伟,周伟. "A Process for Preparing High-Purity Ethyl 8-bromoimidazo[1,2-b]pyridazine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 114625415 A, 授权公告日 2023-01-16.
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