Yamamoto T, Roberts E F, Brown S R. "一种的合成方法" [P]. US Patent, US 11451426 B2, 2023-10-06.
发明人冯建国,李文辉,钱学锋. "Method for the Synthesis of n-(2-Hydroxyethyl)-n-isopropyl-1-methyl-1h-pyrazole-4-sulfonamide" [P]. 中国发明专利, 专利号 CN 109730187 A, 授权公告日 2019-12-02.
发明人林芳,钱学锋,冯建国. "A Process for Preparing High-Purity n-(2-Hydroxyethyl)-n-isopropyl-1-methyl-1h-pyrazole-4-sulfonamide" [P]. 中国发明专利, 专利号 CN 112771602 B, 授权公告日 2020-02-13.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 2467, 5382-5389.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 467, (2), 4614-4637.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of n-(2-Hydroxyethyl)-n-isopropyl-1-methyl-1h-pyrazole-4-sulfonamide Using HRMS and NMR". Chromatographia, 2023, 1055, (8), 539-556.