Klinger H, Lee S K, Johnson M A. "Method for the Synthesis of 5-Ethyl-6-methyl-4-(1H-pyrrol-2-yl)-3,4-dihydropyrimidin-2(1H)-one" [P]. US Patent, US 9359202 B2, 2018-09-25.
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". Phytochemistry, 2017, 1622, 2259-2285.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 589, (2), 1576-1588.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-6-methyl-4-(1H-pyrrol-2-yl)-3,4-dihydropyrimidin-2(1H)-one Using HRMS and NMR". Anal. Chim. Acta, 2024, 2198, 9311-9318.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 1621, (6), 8071-8075.