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发明人郑宇鹏,冯建国,黄志刚. "A Process for Preparing High-Purity 7-Chloro-3,6-dimethylquinoxalin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 117662491 B, 授权公告日 2018-08-17.
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