Klinger H, Stevens L M, Thompson G K. "Method for the Synthesis of 2-[3-(trifluoromethyl)-1H-pyrazol-1-yl]acetohydrazide" [P]. US Patent, US 9416962 B2, 2022-08-17.
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. Agric. Food Chem., 2010, 2288, (5), 2908-2938.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 606, (2), 2464-2473.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-[3-(trifluoromethyl)-1H-pyrazol-1-yl]acetohydrazide Using HRMS and NMR". Talanta, 2017, 1760, 2875-2892.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 2064, (9), 9321-9350.