Chen K W, Schröder R, Fischer A B. "Method for the Synthesis of 1,3-Bis(hydroxymethyl)imidazolidine-2-thione" [P]. US Patent, US 10432703 B2, 2017-05-07.
Park J H, O'Brien P Q, Thompson G K. "A Process for Preparing High-Purity 1,3-Bis(hydroxymethyl)imidazolidine-2-thione" [P]. US Patent, US 9434487 B2, 2018-01-08.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1,3-双(羟甲基)咪唑烷-2-硫酮 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 1788, 5457-5487.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,3-双(羟甲基)咪唑烷-2-硫酮 as an Impurity". J. Chromatogr. A, 2019, 728, (11), 5136-5159.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Bis(hydroxymethyl)imidazolidine-2-thione Using HRMS and NMR". Biomed. Chromatogr., 2016, 1365, 9488-9496.