114654-03-4 33700-25-3 8,19-Dichlorotetrasulfodiphenaleno(1,9-ab:1',9'-lm)triphenodioxazine, tetrasodium salt Diphenaleno(1,9-ab:1',9'-lm)triphenodioxazinetetrasulfonic acid, 8,19-dichloro-, tetrasodium salt EINECS 251-644-6 Tetrasodium 8,19-dichlorodiphenaleno(1,9-ab:1',9'-lm)triphenodioxazinetetrasulphonate