发明人冯建国,周伟,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110236678 A, 授权公告日 2024-02-20.
发明人唐晓军,胡光,林芳. "Method for the Synthesis of Ethyl 3,4-dimethyl-3H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108861365 B, 授权公告日 2015-12-27.
Rossi M, Nielsen H, Jørgensen K. "A Process for Preparing High-Purity Ethyl 3,4-dimethyl-3H-pyrazole-5-carboxylate" [P]. European Patent, EP 3287200 A1, 2025-02-18.
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". J. Pharm. Biomed. Anal., 2024, 477, (4), 8513-8543.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 715, (3), 9160-9177.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3,4-dimethyl-3H-pyrazole-5-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2015, 1367, (8), 3864-3884.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2023, 2033, 8854-8867.