tetranatrijev 7-amino-4-hidroksi-3-[4-[4-[4-(4-amino-7-sulfonato-naftalen-1-ilazo)-2-sulfonatofenilamino]fenilazo]-6-sulfonato-naftalen-1-ilazo]naftalen-2-sulfonat
reaktionsblandning av: 2-[N-etyl-4-[(5,6-diklorbensotiazol-2-yl)azo]-m-toludino]etylacetat;