IUPAC:3',6'-dihydroxy-N-{[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxamide
IUPAC:3',6'-dihydroxy-N-{[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxamide