Jørgensen K, Martínez F, Schröder R. "一种1,1-二甲基胍硫酸盐的合成方法" [P]. European Patent, EP 3952459 A1, 2019-07-09.
发明人陈志强,朱建伟,唐晓军. "Method for the Synthesis of 1,1-Dimethylguanidine sulfate" [P]. 中国发明专利, 专利号 CN 115352981 B, 授权公告日 2016-01-07.
Klinger H, Anderson J P, Lee S K. "A Process for Preparing High-Purity 1,1-Dimethylguanidine sulfate" [P]. US Patent, US 10231608 B2, 2017-03-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1,1-二甲基胍硫酸盐 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1604, 1975-2003.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,1-二甲基胍硫酸盐 as an Impurity". Anal. Methods, 2020, 2085, 6110-6137.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1,1-Dimethylguanidine sulfate Using HRMS and NMR". Anal. Chim. Acta, 2011, 1374, 464-471.