发明人唐晓军,周伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108404166 A, 授权公告日 2017-12-14.
发明人陈志强,刘建华,钱学锋. "Method for the Synthesis of 1-(tert-Butyl)-3-ethyl-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111091699 B, 授权公告日 2022-12-21.
Jørgensen K, Mueller T C, Nowak P. "A Process for Preparing High-Purity 1-(tert-Butyl)-3-ethyl-1h-pyrazole-5-carboxylic acid" [P]. European Patent, EP 3095025 A1, 2024-08-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2016, 2276, 4496-4512.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 1605, 9568-9592.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(tert-Butyl)-3-ethyl-1h-pyrazole-5-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2012, 1500, (12), 3415-3433.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 2342, (3), 8074-8086.