2-(4'-Aminoxenyl)nafto-alpha,beta-triazol-6,8,3'-trisulfonan draselny [Czech] 2H-NAPHTHO(1,2-d)TRIAZOLE-6,8-DISULFONIC ACID, 2-(4'-AMINO-3'-SULFO-1,1'-BIPHENY 2H-Naphtho(1,2-d)triazole-6,8-disulfonic acid, 2-(4'-amino-3'-sulfo-1,1'-biphenyl-4-yl)-, tripotassium salt 74039-02-4 Sulfo-1-triazol [Czech]