发明人韩伟,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115661378 A, 授权公告日 2022-02-09.
发明人杨光,李文辉,孙丽萍. "Method for the Synthesis of 1,3-Dimethyl-5-((methylamino)methyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one" [P]. 中国发明专利, 专利号 CN 114251795 B, 授权公告日 2022-03-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1364, 2493-2519.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 174, 8381-8407.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Dimethyl-5-((methylamino)methyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one Using HRMS and NMR". Anal. Chim. Acta, 2016, 1718, (12), 572-597.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 175, 1593-1607.