Kumar R, Klinger H, Stevens L M. "Method for the Synthesis of N1,N1-Dimethylcyclobutane-1,3-diamine" [P]. US Patent, US 10667183 B2, 2021-08-10.
发明人杨光,陈志强,沈红梅. "A Process for Preparing High-Purity N1,N1-Dimethylcyclobutane-1,3-diamine" [P]. 中国发明专利, 专利号 CN 110369439 B, 授权公告日 2025-10-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1204, 7375-7390.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1990, (10), 136-141.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of N1,N1-Dimethylcyclobutane-1,3-diamine Using HRMS and NMR". Anal. Chem., 2025, 1892, 1459-1467.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2014, 2440, (8), 7290-7299.