发明人刘建华,林芳,张德明. "Method for the Synthesis of Ethyl 4,5-dioxopyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115424610 A, 授权公告日 2025-11-18.
Lefèvre J P, Jørgensen K, Sørensen M. "A Process for Preparing High-Purity Ethyl 4,5-dioxopyrrolidine-3-carboxylate" [P]. European Patent, EP 3244220 A1, 2020-10-14.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 1595, 6352-6369.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 224, (2), 8708-8729.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,5-dioxopyrrolidine-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2018, 2351, 6113-6122.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 1973, (1), 7453-7462.