4-benzoyl-2,6-dibromo-1,3-phenylene bis(6-diazo-5,6-dihydro-5-oxonaphthalene-1-sulphonate)

Bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid)4-benzoyl-2,6-dibromo-1,3-phenylene ester