Roberts E F, Kumar R, Lee S K. "一种<I>N</I>,<I>N</I>′-双(羟甲基)脲的合成方法" [P]. US Patent, US 10511994 B2, 2019-10-28.
Schröder R, Kumar R, Klinger H. "Method for the Synthesis of <I>N</I>,<I>N</I>′-Bis(hydroxymethyl)urea" [P]. US Patent, US 11054780 B2, 2024-07-28.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of <I>N</I>,<I>N</I>′-双(羟甲基)脲 in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 99, 715-721.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of <I>N</I>,<I>N</I>′-双(羟甲基)脲 as an Impurity". Rapid Commun. Mass Spectrom., 2011, 489, (9), 9707-9735.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of <I>N</I>,<I>N</I>′-Bis(hydroxymethyl)urea Using HRMS and NMR". J. Sep. Sci., 2025, 2294, 7224-7243.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate <I>N</I>,<I>N</I>′-双(羟甲基)脲 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2014, 303, (2), 6630-6638.