Hughes D C, Fischer A B, Patel M V. "Method for the Synthesis of trans 4-(4-Bromobenzenesulfonylamino)-cyclohexanecarboxylic acid" [P]. US Patent, US 11354227 B2, 2015-06-26.
Williams B T, Hughes D C, Park J H. "A Process for Preparing High-Purity trans 4-(4-Bromobenzenesulfonylamino)-cyclohexanecarboxylic acid" [P]. US Patent, US 9402237 B2, 2017-06-24.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1611, (5), 1759-1768.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 1561, (5), 7701-7706.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of trans 4-(4-Bromobenzenesulfonylamino)-cyclohexanecarboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 2202, (5), 6286-6305.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2018, 1417, (4), 623-651.