发明人高志强,刘建华,罗永刚. "Method for the Synthesis of 3-(3,4-Dimethoxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one" [P]. 中国发明专利, 专利号 CN 116651317 B, 授权公告日 2023-12-27.
发明人马晓峰,高志强,张德明. "A Process for Preparing High-Purity 3-(3,4-Dimethoxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one" [P]. 中国发明专利, 专利号 CN 110948096 B, 授权公告日 2020-12-20.
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