Stevens L M, Roberts E F, Brown S R. "一种的合成方法" [P]. US Patent, US 9926503 B2, 2016-07-02.
Rossi M, Kowalski A, Schröder R. "Method for the Synthesis of 2-(4-Bromo-2-oxoindolin-3-yl)acetic acid" [P]. European Patent, EP 3698047 A1, 2016-09-11.
Schröder R, Hughes D C, O'Brien P Q. "A Process for Preparing High-Purity 2-(4-Bromo-2-oxoindolin-3-yl)acetic acid" [P]. US Patent, US 10188034 B2, 2021-12-25.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2015, 888, 1148-1159.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 2147, (4), 2049-2069.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Bromo-2-oxoindolin-3-yl)acetic acid Using HRMS and NMR". Environ. Sci. Technol., 2020, 1039, (6), 2958-2973.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 903, 8456-8469.