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发明人王建平,马晓峰,李文辉. "Method for the Synthesis of 2-(2-Hydroxyethyl)-6-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 112549283 B, 授权公告日 2023-09-19.
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