Lee S K, Roberts E F, Yamamoto T. "Method for the Synthesis of 1-(Diaminomethylene)urea sulfate" [P]. US Patent, US 10774011 B2, 2022-03-15.
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". J. Pharm. Biomed. Anal., 2018, 2309, (10), 1586-1591.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 1697, (9), 2-8.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Diaminomethylene)urea sulfate Using HRMS and NMR". Anal. Chim. Acta, 2010, 2082, (7), 3941-3952.