发明人韩伟,刘建华,徐明华. "Method for the Synthesis of 4-Bromo-5-(2-(1,3-diphenylpropan-2-ylidene)hydrazinyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108771692 A, 授权公告日 2018-02-13.
发明人刘建华,罗永刚,冯建国. "A Process for Preparing High-Purity 4-Bromo-5-(2-(1,3-diphenylpropan-2-ylidene)hydrazinyl)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 115948278 B, 授权公告日 2018-05-18.
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