发明人杨光,朱建伟,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116348515 A, 授权公告日 2021-09-20.
发明人黄志刚,李文辉,何建平. "Method for the Synthesis of 5-Chloro-2-(ethylsulfonyl)pyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113555449 A, 授权公告日 2024-07-23.
O'Brien P Q, Roberts E F, Yamamoto T. "A Process for Preparing High-Purity 5-Chloro-2-(ethylsulfonyl)pyrimidine-4-carboxylic acid" [P]. US Patent, US 11883153 B2, 2020-11-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 1880, 6840-6868.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 93, (6), 5669-5698.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-2-(ethylsulfonyl)pyrimidine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2022, 2385, (6), 8631-8646.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 349, (5), 6915-6929.