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发明人韩伟,钱学锋,王建平. "Method for the Synthesis of N-(2-Ethoxyphenyl)-4-(6-((6-methylpyridin-2-yl)amino)pyridazin-3-yl)piperazine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 112635843 B, 授权公告日 2019-02-05.
发明人林芳,黄志刚,唐晓军. "A Process for Preparing High-Purity N-(2-Ethoxyphenyl)-4-(6-((6-methylpyridin-2-yl)amino)pyridazin-3-yl)piperazine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 108685469 B, 授权公告日 2024-02-07.
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