发明人王建平,何建平,林芳. "Method for the Synthesis of 6,7-Dichloro-3-methyl-3,4-dihydroquinoxalin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 110423447 B, 授权公告日 2019-08-17.
发明人何建平,王建平,徐明华. "A Process for Preparing High-Purity 6,7-Dichloro-3-methyl-3,4-dihydroquinoxalin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 111435997 A, 授权公告日 2021-05-07.
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