发明人孙丽萍,朱建伟,罗永刚. "Method for the Synthesis of 4-(4-(Dimethylamino)phenyl)-2-(2-morpholinoethyl)-6-phenylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 115680002 B, 授权公告日 2021-05-22.
发明人何建平,杨光,李文辉. "A Process for Preparing High-Purity 4-(4-(Dimethylamino)phenyl)-2-(2-morpholinoethyl)-6-phenylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112210325 B, 授权公告日 2017-01-27.
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