Schröder R, Thompson G K, Park J H. "一种的合成方法" [P]. US Patent, US 9602646 B2, 2025-08-27.
Mueller T, Anderson J P, Davis P L. "Method for the Synthesis of (6-Methyl-2-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid" [P]. US Patent, US 10516305 B2, 2022-12-20.
Park J H, Lee S K, Stevens L M. "A Process for Preparing High-Purity (6-Methyl-2-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid" [P]. US Patent, US 11964401 B2, 2018-01-16.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 2203, (3), 6233-6248.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 967, (12), 4134-4138.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (6-Methyl-2-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid Using HRMS and NMR". Phytochemistry, 2013, 310, (5), 1340-1351.