139613-40-4 (TOSYLATE) AIDS-003676 AIDS003676 Aminoguanidine deriv. Hydrazinecarboximidamide, 2-[(2-bromo-4,5-dimethoxyphenyl)methylene]-N-hydroxy-, mono(4-methylbenzenesulfonate) N1-Hydroxy-N3[(6-bromo-3,4-dimethoxybenzylidene)amino]guanidine tosylate