Synonyms: [2,2'-Bibenzo[b]thiophene]-3,3'-diol,5,6',7-trichloro-4,4'-dimethyl-, bis(hydrogen sulfate), disodium salt(8CI,9CI); Anthrasol Brilliant Pink 13B; Arlindone Brilliant Pink 13B; C.I.73366; C.I. Solubilised Vat Red 2, disodium salt; Indigosol Brilliant Pink 13B;Kambosol Pink I3B; Sandozol Brilliant Pink 3B; Tinosol Brilliant Pink 3B