发明人林芳,胡光,韩伟. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 112158917 A, 授权公告日 2019-08-19.
发明人何建平,林芳,赵玉洁. "Method for the Synthesis of 4-Bromo-1-((2-chlorophenyl)sulfonyl)-2-fluorobenzene" [P]. 中国发明专利, 专利号 CN 109340682 B, 授权公告日 2015-05-10.
发明人黄志刚,杨光,韩伟. "A Process for Preparing High-Purity 4-Bromo-1-((2-chlorophenyl)sulfonyl)-2-fluorobenzene" [P]. 中国发明专利, 专利号 CN 115495243 B, 授权公告日 2023-02-26.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Sci. Total Environ., 2015, 1254, 721-743.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Chim. Acta, 2020, 2225, 1837-1844.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-((2-chlorophenyl)sulfonyl)-2-fluorobenzene Using HRMS and NMR". Chemosphere, 2014, 570, 200-207.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 432, (11), 5909-5931.