发明人沈红梅,高志强,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110479504 A, 授权公告日 2020-10-10.
发明人马晓峰,王建平,钱学锋. "Method for the Synthesis of 4-Amino-N-(1H-pyrazol-4-yl)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 110611952 A, 授权公告日 2022-05-20.
Kumar R, Lee S K, Davis P L. "A Process for Preparing High-Purity 4-Amino-N-(1H-pyrazol-4-yl)benzenesulfonamide" [P]. US Patent, US 11461687 B2, 2024-04-15.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2024, 1026, (11), 8753-8757.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 2268, 9199-9227.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-N-(1H-pyrazol-4-yl)benzenesulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 774, (9), 5470-5485.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2021, 1162, 4155-4180.