发明人马晓峰,孙丽萍,高志强. "Method for the Synthesis of 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116317904 B, 授权公告日 2023-11-06.
发明人沈红梅,周伟,唐晓军. "A Process for Preparing High-Purity 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112806337 A, 授权公告日 2020-12-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid in Pharmaceutical Formulations". Molecules, 2025, 270, (11), 8381-8389.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid as an Impurity". Phytochemistry, 2018, 1506, 2-8.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2015, 1914, (8), 4033-4043.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 1-(2-ethoxy-2-oxoethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2021, 940, (2), 2619-2643.