Schröder R, Stevens L M, Hughes D C. "一种的合成方法" [P]. US Patent, US 11777207 B2, 2025-05-15.
Johansson L, Martínez F, Sørensen M. "Method for the Synthesis of Methyl 6-hydroxyindoline-2-carboxylate" [P]. European Patent, EP 3143518 A1, 2018-03-19.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 1870, (5), 9460-9481.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 2475, 9631-9648.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-hydroxyindoline-2-carboxylate Using HRMS and NMR". Anal. Chem., 2016, 1198, (3), 9360-9371.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2019, 95, 8660-8688.