发明人郭海燕,王建平,赵玉洁. "Method for the Synthesis of 1-(2-aminoethyl)-3-methylurea dihydrochloride" [P]. 中国发明专利, 专利号 CN 115685892 B, 授权公告日 2018-04-17.
发明人黄志刚,王建平,周伟. "A Process for Preparing High-Purity 1-(2-aminoethyl)-3-methylurea dihydrochloride" [P]. 中国发明专利, 专利号 CN 113519847 A, 授权公告日 2024-03-09.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(2-aminoethyl)-3-methylurea dihydrochloride in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 557, (10), 6837-6845.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(2-aminoethyl)-3-methylurea dihydrochloride as an Impurity". Phytochemistry, 2011, 1519, (6), 6309-6313.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-aminoethyl)-3-methylurea dihydrochloride Using HRMS and NMR". Sci. Total Environ., 2022, 1051, (8), 6735-6744.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 1-(2-aminoethyl)-3-methylurea dihydrochloride Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 1702, 8565-8586.