Stevens L M, Davis P L, Schröder R. "一种的合成方法" [P]. US Patent, US 11841267 B2, 2022-12-27.
Kowalski A, Nielsen H, Johansson L. "Method for the Synthesis of Methyl 3-hydroxy-5-methyl-1H-indole-2-carboxylate" [P]. European Patent, EP 3458644 A1, 2021-06-01.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 2114, 6014-6028.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1074, 1431-1434.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-hydroxy-5-methyl-1H-indole-2-carboxylate Using HRMS and NMR". Anal. Chem., 2012, 2269, (9), 8893-8922.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 797, 5476-5501.