Brown S R, Lee S K, Hughes D C. "一种的合成方法" [P]. US Patent, US 10636799 B2, 2021-07-07.
发明人唐晓军,张德明,周伟. "Method for the Synthesis of 5-(But-2-en-1-ylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione" [P]. 中国发明专利, 专利号 CN 108320050 A, 授权公告日 2024-01-09.
发明人高志强,朱建伟,郑宇鹏. "A Process for Preparing High-Purity 5-(But-2-en-1-ylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione" [P]. 中国发明专利, 专利号 CN 108621313 B, 授权公告日 2020-02-05.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 739, (10), 7728-7757.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 2230, (8), 3555-3585.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-(But-2-en-1-ylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione Using HRMS and NMR". Sci. Total Environ., 2018, 900, 5237-5253.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 258, (6), 6514-6530.