发明人赵玉洁,王建平,唐晓军. "Method for the Synthesis of Ethyl 7-(4-chlorobenzoyl)pyrrolo[1,2-b]pyridazine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113268875 B, 授权公告日 2023-07-25.
发明人周伟,朱建伟,高志强. "A Process for Preparing High-Purity Ethyl 7-(4-chlorobenzoyl)pyrrolo[1,2-b]pyridazine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109827358 B, 授权公告日 2017-09-21.
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