发明人李文辉,何建平,郑宇鹏. "Method for the Synthesis of Ethyl 6-chloro-2-phenylimidazo[1,2-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115785832 A, 授权公告日 2021-03-08.
发明人钱学锋,周伟,韩伟. "A Process for Preparing High-Purity Ethyl 6-chloro-2-phenylimidazo[1,2-b]pyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117357563 B, 授权公告日 2019-04-26.
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