Vat Brown 5, Solubilised; disodium [2,2'-binaphtho[2,1-b]thiophene]-1,1'-diyl disulphate; Solubilised Vat Brown 5; Vat brown 5 solubilized (C.I. 73411); 2,2'-Binaphtho[2,1-b]thiophene-1,1'-diol bis(sulfuric acid sodium) salt; C.I.73411; C.I.Solubilised Vat Brown 5; Solasol Brown 2RS; disodium,[2-(1-sulfonatooxybenzo[e][1]benzothiol-2-yl)benzo[e][1]benzothiol-1-yl] sulfate; Sandozol Brown RRD; Cibantine Brown FG; Solindolo Brown FRD; Cibantine Brown FGS; Chemisol Brown RRD; Tinosol Brown RRDS; Tinosol Brown RRD; Fenathra Brown 2R; Algosol Brown IRRD