发明人刘建华,冯建国,郭海燕. "Method for the Synthesis of N-(2-(4-Acetamidobenzamido)ethyl)-6-(1H-pyrazol-1-yl)pyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114131686 B, 授权公告日 2021-02-19.
发明人何建平,韩伟,沈红梅. "A Process for Preparing High-Purity N-(2-(4-Acetamidobenzamido)ethyl)-6-(1H-pyrazol-1-yl)pyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108014553 B, 授权公告日 2015-02-27.
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