Johnson M A, Mueller T, Hughes D C. "Method for the Synthesis of n-(Tert-butyl)-2-(3,5-dimethyl-4-nitro-1h-pyrazol-1-yl)acetamide" [P]. US Patent, US 9747286 B2, 2019-02-15.
发明人冯建国,杨光,高志强. "A Process for Preparing High-Purity n-(Tert-butyl)-2-(3,5-dimethyl-4-nitro-1h-pyrazol-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 108061363 A, 授权公告日 2022-09-16.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 1158, 8273-8290.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2013, 688, (6), 1450-1457.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of n-(Tert-butyl)-2-(3,5-dimethyl-4-nitro-1h-pyrazol-1-yl)acetamide Using HRMS and NMR". Chromatographia, 2017, 806, (8), 1304-1323.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 1569, 4615-4622.