发明人马晓峰,郑宇鹏,高志强. "Method for the Synthesis of 6,7-Dihydro-2H-pyrrolo[3,4-c]pyridazin-3(5H)-one hydrochloride" [P]. 中国发明专利, 专利号 CN 109087396 A, 授权公告日 2021-01-06.
发明人王建平,张德明,朱建伟. "A Process for Preparing High-Purity 6,7-Dihydro-2H-pyrrolo[3,4-c]pyridazin-3(5H)-one hydrochloride" [P]. 中国发明专利, 专利号 CN 109880670 B, 授权公告日 2023-12-24.
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