Mueller T C, Lefèvre J P, Sørensen M. "Method for the Synthesis of N-Cyano-N′-(1,1-dimethylpropyl)guanidine" [P]. European Patent, EP 3143526 A1, 2023-09-25.
发明人高志强,马晓峰,黄志刚. "A Process for Preparing High-Purity N-Cyano-N′-(1,1-dimethylpropyl)guanidine" [P]. 中国发明专利, 专利号 CN 113610700 A, 授权公告日 2022-08-13.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 1488, (4), 1507-1521.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 2110, (4), 7929-7958.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of N-Cyano-N′-(1,1-dimethylpropyl)guanidine Using HRMS and NMR". Anal. Methods, 2019, 1135, 4031-4035.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 954, (2), 7512-7515.