2-(4-Aminophenyl)-2H-naphtho(1,2-d)triazole-6,8-disulfonic acid 2-(4-Aminophenyl)-2H-naphtho(1,2-d)triazole-6,8-disulphonic acid 2-(p-Aminophenyl)-2H-naphtho(1,2-d)triazole-6,8-disulfonic acid 2H-Naphtho(1,2-d)triazole-6,8-disulfonic acid, 2-(4-aminophenyl)- 63251-40-1 EINECS 264-047-0