发明人孙丽萍,朱建伟,徐明华. "Method for the Synthesis of N-(2-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)-1-phenylmethanesulfonamide" [P]. 中国发明专利, 专利号 CN 111272137 B, 授权公告日 2020-07-23.
发明人李文辉,沈红梅,郭海燕. "A Process for Preparing High-Purity N-(2-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)-1-phenylmethanesulfonamide" [P]. 中国发明专利, 专利号 CN 111958282 B, 授权公告日 2020-09-12.
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