发明人王建平,韩伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111873421 A, 授权公告日 2019-01-21.
发明人刘建华,赵玉洁,郑宇鹏. "Method for the Synthesis of 2,4-Difluoro-N-((1-isopropylpiperidin-4-yl)methyl)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 117939167 A, 授权公告日 2017-09-04.
发明人刘建华,黄志刚,沈红梅. "A Process for Preparing High-Purity 2,4-Difluoro-N-((1-isopropylpiperidin-4-yl)methyl)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 112953317 B, 授权公告日 2021-03-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 849, (11), 4173-4177.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 445, (6), 1348-1363.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Difluoro-N-((1-isopropylpiperidin-4-yl)methyl)benzenesulfonamide Using HRMS and NMR". Molecules, 2019, 642, 9563-9581.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 992, (5), 6030-6057.