发明人林芳,韩伟,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113137066 A, 授权公告日 2021-01-10.
Björnsson E, Nielsen H, Martínez F. "Method for the Synthesis of 2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid" [P]. European Patent, EP 3484743 A1, 2024-06-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 1686, (3), 4125-4154.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 1260, 1454-1464.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid Using HRMS and NMR". Phytochemistry, 2025, 447, (2), 8422-8436.