Brown S R, Chen K W, Stevens L M. "一种的合成方法" [P]. US Patent, US 11972191 B2, 2017-03-01.
发明人郭海燕,周伟,胡光. "Method for the Synthesis of 2-(2-oxo-3H-1,4-benzoxazin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114816205 B, 授权公告日 2025-09-22.
发明人高志强,陈志强,唐晓军. "A Process for Preparing High-Purity 2-(2-oxo-3H-1,4-benzoxazin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109522921 B, 授权公告日 2018-11-23.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 1195, 7345-7353.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 2418, (3), 2742-2761.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-oxo-3H-1,4-benzoxazin-4-yl)acetic acid Using HRMS and NMR". Anal. Chem., 2010, 1284, 2176-2194.