发明人胡光,朱建伟,唐晓军. "Method for the Synthesis of 5-Amino-1-(4-chloro-2-fluorophenyl)-1H-pyrazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 112893522 B, 授权公告日 2016-03-27.
Sørensen M, Johansson L, Nowak P. "A Process for Preparing High-Purity 5-Amino-1-(4-chloro-2-fluorophenyl)-1H-pyrazole-4-carboxamide" [P]. European Patent, EP 3976760 A1, 2017-01-23.
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". Environ. Sci. Technol., 2022, 1246, (9), 6740-6746.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2010, 376, (2), 7651-7672.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1-(4-chloro-2-fluorophenyl)-1H-pyrazole-4-carboxamide Using HRMS and NMR". Biomed. Chromatogr., 2015, 2187, 6829-6845.