O'Brien P Q, Johnson M A, Brown S R. "Method for the Synthesis of Diethyl 4-amino-1H-pyrrole-1,3(2H,5H)-dicarboxylate" [P]. US Patent, US 11937872 B2, 2015-05-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 239, (11), 7416-7438.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 1282, (5), 8506-8536.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 4-amino-1H-pyrrole-1,3(2H,5H)-dicarboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 2267, 4434-4445.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 330, (6), 9469-9481.