Lee S K, Stevens L M, Williams B T. "Method for the Synthesis of 4-Chloro-5-hydroxypyridine-2-sulfonyl chloride" [P]. US Patent, US 10031621 B2, 2020-02-21.
Schröder R, Chen K W, Yamamoto T. "A Process for Preparing High-Purity 4-Chloro-5-hydroxypyridine-2-sulfonyl chloride" [P]. US Patent, US 11977030 B2, 2020-03-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 1706, (4), 2520-2538.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 1002, (8), 5985-6000.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-hydroxypyridine-2-sulfonyl chloride Using HRMS and NMR". Food Chem., 2024, 973, (4), 7964-7983.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2015, 434, 6990-7015.