Chen K W, Brown S R, Patel M V. "一种的合成方法" [P]. US Patent, US 11606410 B2, 2022-12-04.
Davis P L, Lee S K, Anderson J P. "Method for the Synthesis of 8-amino-2-oxo-chromene-3-carboxylic acid" [P]. US Patent, US 11959705 B2, 2021-12-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 2004, (12), 6798-6825.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 1662, 6877-6884.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 8-amino-2-oxo-chromene-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 86, 3672-3684.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 376, (10), 645-653.