Product Name:2,2',2'',2'''-(((3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-2',7'-diyl)bis(methylene))bis(azanetriyl))tetraacetic acid
IUPAC Name:2-{[(2'-{[bis(carboxymethyl)amino]methyl}-3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-7'-yl)methyl](carboxymethyl)amino}acetic acid