发明人李文辉,林芳,马晓峰. "Method for the Synthesis of tert-Butyl 4-(6-amino-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116501193 A, 授权公告日 2015-10-24.
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