Hughes D C, Stevens L M, Anderson J P. "Method for the Synthesis of 2-Amino-5-((4-sulfophenyl)diazenyl)benzenesulfonic acid" [P]. US Patent, US 11670105 B2, 2018-01-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 719, 9904-9919.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1588, 6799-6818.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-((4-sulfophenyl)diazenyl)benzenesulfonic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 766, (5), 3107-3127.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 1310, (9), 1980-2003.