Park J H, Williams B T, Mueller T. "Method for the Synthesis of 5-Cyclopropoxy-6-(methylthio)pyridine-2-sulfonamide" [P]. US Patent, US 9780613 B2, 2016-04-10.
Brown S R, O'Brien P Q, Hughes D C. "A Process for Preparing High-Purity 5-Cyclopropoxy-6-(methylthio)pyridine-2-sulfonamide" [P]. US Patent, US 10906061 B2, 2021-06-19.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2019, 1120, 4503-4520.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2017, 188, (6), 4995-5023.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropoxy-6-(methylthio)pyridine-2-sulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 2347, 5239-5246.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2024, 1021, (3), 4311-4324.