tetralitijev 6-amino-4-hidroksi-3-(7-sulfonato-4-(4-sulfonatofenilazo)-1-naftilazo)naftalen-2,7-disulfonat
((1-(4(eller 5)-nitro-2-oxidofenylazo)-2-naftolato)(1-(3-nitro-2-oxido-5-pentylfenylazo)-2-naftolato))kromat(1-)