Nowak P, Martínez F, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3327026 A1, 2017-09-16.
发明人唐晓军,赵玉洁,李文辉. "Method for the Synthesis of Ethyl 1-benzoyl-5-methyl-5-vinylpyrazolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110926528 B, 授权公告日 2025-07-20.
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, 2017, 2188, 7617-7626.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 602, 5844-5858.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-benzoyl-5-methyl-5-vinylpyrazolidine-3-carboxylate Using HRMS and NMR". Anal. Chem., 2011, 2252, (4), 391-415.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 975, 3747-3758.