1324-58-9 57176-37-1 Diindolo(3,2-b:3',2'-m)triphenodioxazinetrisulfonic acid, 8,18-dichloro-5,15-diethyl-5,15-dihydro-, trisodium salt EINECS 215-383-1 Trisodium 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazinetrisulphonate