发明人刘建华,王建平,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112016732 A, 授权公告日 2021-12-18.
发明人张德明,刘建华,郭海燕. "Method for the Synthesis of N-(2-((6-(Pyridin-4-ylamino)pyridazin-3-yl)amino)ethyl)thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112987349 A, 授权公告日 2021-08-18.
发明人周伟,沈红梅,孙丽萍. "A Process for Preparing High-Purity N-(2-((6-(Pyridin-4-ylamino)pyridazin-3-yl)amino)ethyl)thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112030090 A, 授权公告日 2020-02-05.
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