4-(fenilazo)benzen-1,3-diamin dihidroklorid; [5]
3-[5-(4-(2-kloretansulfonyl)butyrylamino)-2-sulfofenylazo]-5-4-klor-[6-(4-(3-amino-5-hydroxi-2,7-disulfonaftalen-4-ylazo)-3-sulfofenylamino]-1,3,5-triazin-2-ylamino-4-hydroxinaftalen-2,7-disulfonsyra, natriumsalt