Schröder R, Martínez F, Johansson L. "Method for the Synthesis of 4-Amino-1-(2-fluoroethyl)-1H-pyrazole-5-carboxamide" [P]. European Patent, EP 3072262 A1, 2021-03-26.
发明人唐晓军,冯建国,杨光. "A Process for Preparing High-Purity 4-Amino-1-(2-fluoroethyl)-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 114069548 A, 授权公告日 2024-03-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 599, 1005-1028.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 1513, (12), 6701-6721.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-1-(2-fluoroethyl)-1H-pyrazole-5-carboxamide Using HRMS and NMR". Anal. Chem., 2017, 1789, 2860-2863.