Nowak P, Nielsen H, Sørensen M. "一种bis(1-[2-(4-sulfamoylphenyl)ethyl]guanidine), sulfuric acid的合成方法" [P]. European Patent, EP 3664926 A1, 2025-07-16.
Johnson M A, Stevens L M, Hughes D C. "Method for the Synthesis of bis(1-[2-(4-sulfamoylphenyl)ethyl]guanidine), sulfuric acid" [P]. US Patent, US 11170928 B2, 2017-06-12.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of bis(1-[2-(4-sulfamoylphenyl)ethyl]guanidine), sulfuric acid in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2015, 776, (1), 9300-9322.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of bis(1-[2-(4-sulfamoylphenyl)ethyl]guanidine), sulfuric acid as an Impurity". Anal. Methods, 2012, 296, 9276-9294.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of bis(1-[2-(4-sulfamoylphenyl)ethyl]guanidine), sulfuric acid Using HRMS and NMR". J. Agric. Food Chem., 2011, 1446, (9), 664-671.