发明人刘建华,唐晓军,孙丽萍. "Method for the Synthesis of 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110386305 A, 授权公告日 2019-08-26.
O'Brien P Q, Klinger H, Thompson G K. "A Process for Preparing High-Purity 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid" [P]. US Patent, US 11061131 B2, 2022-02-16.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 432, 4469-4478.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2022, 275, 5326-5350.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Thiomorpholinopyrazin-2-yl)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2019, 154, (5), 7931-7961.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 792, (7), 1745-1761.