发明人王建平,钱学锋,韩伟. "Method for the Synthesis of 8-Bromopyrazino[2,3-d]pyridazin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 112444063 A, 授权公告日 2017-08-13.
发明人韩伟,沈红梅,徐明华. "A Process for Preparing High-Purity 8-Bromopyrazino[2,3-d]pyridazin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 111340187 A, 授权公告日 2017-12-13.
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