发明人钱学锋,陈志强,黄志刚. "Method for the Synthesis of 2-Methyltetrahydro-1H-5,8-ethano[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 108802003 A, 授权公告日 2017-05-07.
发明人赵玉洁,唐晓军,徐明华. "A Process for Preparing High-Purity 2-Methyltetrahydro-1H-5,8-ethano[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 109269333 A, 授权公告日 2022-08-18.
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