Kumar R, Klinger H, Yamamoto T. "Method for the Synthesis of 2-(Allylthio)-3-ethylthieno[3,2-d]pyrimidin-4(3H)-one" [P]. US Patent, US 9200405 B2, 2015-11-18.
Nielsen H, Martínez F, Nowak P. "A Process for Preparing High-Purity 2-(Allylthio)-3-ethylthieno[3,2-d]pyrimidin-4(3H)-one" [P]. European Patent, EP 3506820 A1, 2016-11-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 1341, (12), 7462-7487.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2022, 1501, 4621-4648.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Allylthio)-3-ethylthieno[3,2-d]pyrimidin-4(3H)-one Using HRMS and NMR". Anal. Methods, 2020, 2089, (4), 943-954.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2016, 1322, 9642-9667.