发明人郑宇鹏,胡光,周伟. "Method for the Synthesis of 2-Methyl-4-nitrobenzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 109329250 B, 授权公告日 2023-10-26.
发明人沈红梅,黄志刚,罗永刚. "A Process for Preparing High-Purity 2-Methyl-4-nitrobenzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 109550635 A, 授权公告日 2025-12-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 825, (10), 376-383.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 1748, (6), 4456-4460.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-4-nitrobenzenesulfonic acid Using HRMS and NMR". J. Nat. Prod., 2022, 2065, (12), 1221-1246.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 1039, (6), 6736-6762.