发明人郭海燕,韩伟,马晓峰. "Method for the Synthesis of Diethyl 2-(ureidomethylene)malonate" [P]. 中国发明专利, 专利号 CN 116148546 B, 授权公告日 2015-09-16.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 917, (5), 7273-7279.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 392, (6), 8467-8487.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 2-(ureidomethylene)malonate Using HRMS and NMR". Anal. Chim. Acta, 2012, 1222, (7), 6727-6748.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 567, (5), 8570-8578.