发明人朱建伟,陈志强,张德明. "Method for the Synthesis of N′-[2-[3-(1H-indol-1-yl)-6-oxo-1(6H)-pyridazinyl]ethyl]-N,N-dimethylsulfamide" [P]. 中国发明专利, 专利号 CN 111908370 B, 授权公告日 2020-04-03.
发明人郑宇鹏,王建平,钱学锋. "A Process for Preparing High-Purity N′-[2-[3-(1H-indol-1-yl)-6-oxo-1(6H)-pyridazinyl]ethyl]-N,N-dimethylsulfamide" [P]. 中国发明专利, 专利号 CN 116590888 A, 授权公告日 2023-05-06.
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