Stevens L M, Roberts E F, Thompson G K. "Method for the Synthesis of 1-ethyl-6-(trifluoromethyl)-1H-pyrazolo[1,5-a]imidazole" [P]. US Patent, US 9530913 B2, 2022-08-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 1024, (12), 5168-5177.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 528, (5), 1403-1430.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-ethyl-6-(trifluoromethyl)-1H-pyrazolo[1,5-a]imidazole Using HRMS and NMR". Food Chem., 2019, 417, 1021-1039.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2019, 1999, (10), 5909-5938.