tetralitijev 6-amino-4-hidroksi-3-[7-sulfonato-4-(5-sulfonato-2-naftilazo)-1-naftilazo]naftalen-2,7-disulfonat
dinátrium-3,3'-[2,4-dihydroxy-1,3(alebo 1,5 alebo 3,5)-fenylén]bis(diazéndiyl)di(benzénsulfonát)