发明人孙丽萍,林芳,杨光. "一种4-氨基-3-(二氟甲基)-6-硝基吡啶-2-磺酰胺的合成方法" [P]. 中国发明专利, 专利号 CN 117911769 A, 授权公告日 2017-10-15.
Thompson G K, Fischer A B, Kumar R. "Method for the Synthesis of 4-Amino-3-(difluoromethyl)-6-nitropyridine-2-sulfonamide" [P]. US Patent, US 11677215 B2, 2023-01-09.
发明人张德明,陈志强,林芳. "A Process for Preparing High-Purity 4-Amino-3-(difluoromethyl)-6-nitropyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 115824959 B, 授权公告日 2017-12-13.
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 4-氨基-3-(二氟甲基)-6-硝基吡啶-2-磺酰胺 in Pharmaceutical Formulations". Molecules, 2023, 968, (5), 8712-8742.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氨基-3-(二氟甲基)-6-硝基吡啶-2-磺酰胺 as an Impurity". Chromatographia, 2024, 1089, (10), 3044-3060.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-3-(difluoromethyl)-6-nitropyridine-2-sulfonamide Using HRMS and NMR". J. Agric. Food Chem., 2015, 702, 3866-3887.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 4-氨基-3-(二氟甲基)-6-硝基吡啶-2-磺酰胺 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 799, (8), 4040-4062.