发明人李文辉,朱建伟,刘建华. "Method for the Synthesis of 2-(4-(Tetrazolo[1,5-b]pyridazin-6-yl)piperazin-1-yl)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 110878149 A, 授权公告日 2018-07-08.
发明人高志强,沈红梅,韩伟. "A Process for Preparing High-Purity 2-(4-(Tetrazolo[1,5-b]pyridazin-6-yl)piperazin-1-yl)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 113079910 B, 授权公告日 2015-05-28.
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