发明人杨光,钱学锋,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114946763 A, 授权公告日 2024-03-19.
发明人冯建国,孙丽萍,唐晓军. "Method for the Synthesis of 2-Chloro-5-[(4-ethylpiperazin-1-yl)sulfonyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 113116574 B, 授权公告日 2021-12-01.
发明人罗永刚,杨光,郭海燕. "A Process for Preparing High-Purity 2-Chloro-5-[(4-ethylpiperazin-1-yl)sulfonyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 108434356 A, 授权公告日 2024-11-13.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1269, 565-590.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 145, (5), 5930-5960.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-5-[(4-ethylpiperazin-1-yl)sulfonyl]benzoic acid Using HRMS and NMR". J. Nat. Prod., 2013, 1995, 8178-8206.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2011, 334, 9336-9350.