Johansson L, Jørgensen K, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3328733 A1, 2018-12-07.
Stevens L M, Mueller T, Schröder R. "Method for the Synthesis of Ethyl 2-(2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamido)acetate" [P]. US Patent, US 11619930 B2, 2020-06-12.
Roberts E F, Anderson J P, Kumar R. "A Process for Preparing High-Purity Ethyl 2-(2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamido)acetate" [P]. US Patent, US 11108834 B2, 2020-04-04.
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., 2019, 1925, (11), 6307-6322.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 1998, (3), 6992-7014.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamido)acetate Using HRMS and NMR". Sci. Total Environ., 2015, 1281, (12), 8486-8516.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2013, 1323, 2390-2410.