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发明人李文辉,王建平,高志强. "Method for the Synthesis of N-(2-Morpholinoethyl)-6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 111944827 B, 授权公告日 2017-08-15.
发明人刘建华,陈志强,胡光. "A Process for Preparing High-Purity N-(2-Morpholinoethyl)-6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 112959021 A, 授权公告日 2022-01-21.
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