发明人陈志强,李文辉,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111274997 A, 授权公告日 2023-01-25.
Johansson L, Mueller T C, Nowak P. "Method for the Synthesis of Methyl 4-(chlorosulfonyl)-6-cyanopicolinate" [P]. European Patent, EP 3754054 A1, 2022-06-04.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1868, (2), 6862-6872.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 693, (8), 6381-6409.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(chlorosulfonyl)-6-cyanopicolinate Using HRMS and NMR". Anal. Chim. Acta, 2011, 1513, 366-374.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2013, 2133, (6), 5093-5121.