发明人李文辉,冯建国,罗永刚. "Method for the Synthesis of 3,6-Dibromoimidazo[1,2-a]pyrazine-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111724394 A, 授权公告日 2017-10-28.
发明人李文辉,林芳,罗永刚. "A Process for Preparing High-Purity 3,6-Dibromoimidazo[1,2-a]pyrazine-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112700978 B, 授权公告日 2015-10-18.
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