Kumar R, Brown S R, Schröder R. "Method for the Synthesis of 4-((1H-Indol-6-yl)sulfonyl)benzoic acid" [P]. US Patent, US 10451227 B2, 2022-02-16.
Rossi M, Schröder R, Lefèvre J P. "A Process for Preparing High-Purity 4-((1H-Indol-6-yl)sulfonyl)benzoic acid" [P]. European Patent, EP 3403470 A1, 2022-11-08.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 2416, (8), 6324-6339.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 1947, (6), 511-527.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-((1H-Indol-6-yl)sulfonyl)benzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2016, 707, (8), 4350-4360.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 1510, 9638-9651.