发明人徐明华,林芳,沈红梅. "Method for the Synthesis of 1-(Tert-butyl)-4-fluoro-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117857546 B, 授权公告日 2023-10-07.
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". Anal. Chim. Acta, 2016, 1425, (2), 311-338.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 644, (4), 1906-1912.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Tert-butyl)-4-fluoro-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Molecules, 2025, 1862, (1), 3451-3468.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 1816, (4), 9799-9826.