12227-84-8 2519-28-0 5,9,14,18-Anthrazinetetrol, 7,16-dichloro-6,15-dihydro-, tetrakis(hydrogen sulfate) (ester), tetrasodium salt EINECS 219-744-4 Tetrasodium 7,16-dichloro-6,15-dihydroanthrazine-5,9,14,18-tetrayltetrakis(sulphate)