Synonyms: Diindolo[3,2-b:3',2'-m]triphenodioxazinetrisulfonic acid,8,18-dichloro-5,15-diethyl-5,15-dihydro-, trisodium salt (9CI);Diindolo(3,2-b:3',2'-m)triphenodioxazinetrisulfonic acid,8,18-dichloro-5,15-diethyl-5,15-dihydro-, trisodium salt;Trisodium 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazinetrisulphonate;Direct Blue 108;Kayarus Supra Blue FFRL;Remastral BlueFFRL;