Lee S K, Stevens L M, Fischer A B. "一种的合成方法" [P]. US Patent, US 11870785 B2, 2018-09-09.
发明人罗永刚,赵玉洁,何建平. "Method for the Synthesis of 5-Chloro-1-ethyl-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114664889 A, 授权公告日 2022-07-09.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 1571, 1993-2002.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 848, (1), 3703-3731.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1-ethyl-1h-pyrazole-4-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2021, 377, (6), 7896-7903.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 1327, (12), 3716-3745.