Synonyms: Rose Bengal lactone;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-3h-spiro[2-benzofuran-1,9'-xanthen]-3-one;4159-77-7;Rose bengal B;AC1L2BVH;AC1Q4POP;AC1Q78DK;328960_ALDRICH;CHEMBL1160160;632-68-8 (di-potassium salt);EINECS 223-993-4;AR-1F8228;632-69-9 (di-hydrochloride salt);NCGC00166255-01;4,5,6,7-Tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'(9H)-xanthen)-3-one;4,5,6,7-Tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one;Spiro(isobenzofuran-1(3H),9'(9H)-xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-;Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-