发明人陈志强,罗永刚,张德明. "Method for the Synthesis of 4-Methyl-2-nitrobenzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 109884184 A, 授权公告日 2023-02-16.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2014, 363, (6), 5281-5306.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 2199, (5), 8158-8186.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-2-nitrobenzenesulfonic acid Using HRMS and NMR". Anal. Chim. Acta, 2011, 2452, (2), 8868-8889.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 1103, 7365-7375.