disodium 3,3-[cyclohexylidenebis[(2-methoxy-4,1-phenylene)azo]]bis(4,6-dihydroxynaphthalene-2-sulphonate)

disodium 3,3-[cyclohexylidenebis[(2-methoxy-4,1-phenylene)azo]]bis(4,6-dihydroxynaphthalene-2-sulphonate) · CAS 6459-69-4