15905-32-5 2',4',5',7'-Tetraiodofluorescein 2,4,5,7-Erythrosin 2,4,5,7-Tetraiodofluorescein Fluorescein, 2',4',5',7'-tetraiodo- Iodeosin NSC328781 Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-