(tetranatrijev 1-(4-(3-acetamido-4-(4'-nitro-2,2'-disulfonatostilben-4-ilazo)anilino)-6-(2,5-disulfonatoanilino)-1,3,5-triazin-2-il)-3-karboksipiridinij) hidroksid
trinatrium-N(1')-N(2):N(1''')N(2'')-η-6,6''-bis(1-karbaniloyl-2-hydroxiprop-1-enylazo)-5',5'''-disulfamoyl-3,3''-disulfonato