C.I. 73360; C.I.Pigment Red 181; P.R.181; Thioindigo Pink R; D & C Red no. 30; Vat Red 1 (C.I.); 6,6-dichloro-4,4-dimethyl-[2,2-bibenzo[b]thiophene]-3,3-dione; Oralith brilliant pink R; Vat Red 1; 6-chloro-2-(6-chloro-4-methyl-3-oxo-1-benzothiophen-2(3H)-ylidene)-4-methyl-1-benzothiophen-3(2H)-one; (2Z)-6,6'-dichloro-4,4'-dimethyl-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione; (2E)-6,6'-dichloro-4,4'-dimethyl-3H,3'H-2,2'-bi-1-benzothiophene-3,3'-dione
