发明人胡光,刘建华,王建平. "Method for the Synthesis of Benzenesulfonic Impurity 4" [P]. 中国发明专利, 专利号 CN 114628224 B, 授权公告日 2025-09-18.
发明人杨光,徐明华,朱建伟. "A Process for Preparing High-Purity Benzenesulfonic Impurity 4" [P]. 中国发明专利, 专利号 CN 117581159 B, 授权公告日 2020-02-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 苯磺酰氯杂质4 in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 1163, 274-281.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 苯磺酰氯杂质4 as an Impurity". J. Sep. Sci., 2022, 2407, 8723-8738.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Benzenesulfonic Impurity 4 Using HRMS and NMR". Sci. Total Environ., 2018, 2329, 2879-2899.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 苯磺酰氯杂质4 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 1951, 2444-2465.