Thompson G K, Park J H, Davis P L. "一种的合成方法" [P]. US Patent, US 11328804 B2, 2025-03-01.
发明人徐明华,胡光,李文辉. "Method for the Synthesis of Ethyl 4-[4-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoate" [P]. 中国发明专利, 专利号 CN 116934521 A, 授权公告日 2018-05-14.
发明人黄志刚,赵玉洁,冯建国. "A Process for Preparing High-Purity Ethyl 4-[4-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoate" [P]. 中国发明专利, 专利号 CN 115490235 B, 授权公告日 2024-10-07.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2010, 2335, (4), 9268-9284.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 863, (8), 4454-4466.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-[4-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1605, 3708-3734.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 2261, (10), 4496-4516.