Klinger H, Fischer A B, Yamamoto T. "Method for the Synthesis of n1-Isopropyl-n1,n4-dimethylbutane-1,4-diamine" [P]. US Patent, US 9716145 B2, 2022-02-12.
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". Environ. Sci. Technol., 2013, 773, (6), 5557-5580.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 2138, 2383-2394.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of n1-Isopropyl-n1,n4-dimethylbutane-1,4-diamine Using HRMS and NMR". Phytochemistry, 2017, 2177, (7), 6601-6621.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 2438, (5), 7048-7078.