发明人孙丽萍,高志强,刘建华. "Method for the Synthesis of 4-Methyl-5,6,7,8-tetrahydroquinazoline-2-thiol" [P]. 中国发明专利, 专利号 CN 113079281 A, 授权公告日 2016-05-12.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 491, (9), 1543-1556.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 874, (4), 2392-2402.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-5,6,7,8-tetrahydroquinazoline-2-thiol Using HRMS and NMR". Anal. Chim. Acta, 2012, 1459, 2951-2954.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 450, 9517-9525.