发明人朱建伟,何建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115631473 A, 授权公告日 2017-08-28.
Chen K W, O'Brien P Q, Park J H. "Method for the Synthesis of Ethyl 5-ethyl-4-fluoro-1H-pyrazole-3-carboxylate" [P]. US Patent, US 11053697 B2, 2023-07-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 86, 1287-1307.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 2072, 1676-1698.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-ethyl-4-fluoro-1H-pyrazole-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2021, 1952, (8), 325-347.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2022, 528, (6), 1511-1519.