Kumar R, Chen K W, Stevens L M. "一种的合成方法" [P]. US Patent, US 9981340 B2, 2019-01-21.
Nielsen H, Björnsson E, Johansson L. "Method for the Synthesis of 4-((5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-N,N-diethylbenzenesulfonamide" [P]. European Patent, EP 3833652 A1, 2021-12-03.
发明人钱学锋,高志强,唐晓军. "A Process for Preparing High-Purity 4-((5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-N,N-diethylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 114539766 B, 授权公告日 2021-11-12.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2015, 720, (5), 3091-3119.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2021, 574, (9), 7386-7410.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-((5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-N,N-diethylbenzenesulfonamide Using HRMS and NMR". Food Chem., 2018, 2064, (2), 7757-7764.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 865, 6424-6442.