发明人郭海燕,林芳,韩伟. "Method for the Synthesis of 8-Methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 112415882 A, 授权公告日 2018-02-17.
发明人杨光,胡光,韩伟. "A Process for Preparing High-Purity 8-Methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 114450074 A, 授权公告日 2017-07-06.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 8-甲氧基-2H-苯并[b][1,4]恶嗪-3(4H)-酮 in Pharmaceutical Formulations". Phytochemistry, 2020, 208, (11), 555-564.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 8-甲氧基-2H-苯并[b][1,4]恶嗪-3(4H)-酮 as an Impurity". Chromatographia, 2023, 1497, (6), 2382-2396.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 8-Methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one Using HRMS and NMR". J. Chromatogr. A, 2013, 789, 7211-7240.