Biochem Chemopharma

Red No. 3, Solvent Red 140, Acid Red 51, FD&C #3 C.I. Food Red 14; 3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H0,9'-[9H]xanthen]-3-one disodium salt