Mueller T C, Jørgensen K, Nowak P. "一种的合成方法" [P]. European Patent, EP 3919790 A1, 2016-10-07.
发明人唐晓军,徐明华,郭海燕. "Method for the Synthesis of N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide" [P]. 中国发明专利, 专利号 CN 114829317 A, 授权公告日 2023-11-16.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2022, 1421, 1040-1056.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 275, (1), 9578-9590.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide Using HRMS and NMR". Anal. Methods, 2019, 2314, (3), 6232-6245.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2013, 725, 405-410.