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发明人韩伟,冯建国,唐晓军. "Method for the Synthesis of tert-Butyl 3-chloro-5H,6H,7H,8H-pyrido[4,3-c]pyridazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 112103800 B, 授权公告日 2017-04-09.
发明人陈志强,何建平,马晓峰. "A Process for Preparing High-Purity tert-Butyl 3-chloro-5H,6H,7H,8H-pyrido[4,3-c]pyridazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114532712 B, 授权公告日 2025-11-24.
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