Nielsen H, Jørgensen K, Johansson L. "一种的合成方法" [P]. European Patent, EP 3780335 A1, 2020-04-20.
发明人黄志刚,张德明,李文辉. "Method for the Synthesis of 4-(1-Hydrazonoethyl)-2-thioxo-1,2-dihydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112943264 B, 授权公告日 2019-07-14.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 242, (5), 849-865.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 107, (8), 274-293.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1-Hydrazonoethyl)-2-thioxo-1,2-dihydropyrimidine-5-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2019, 1924, 4890-4906.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2020, 2341, (2), 3849-3875.