IUPAC:2,5-dioxopyrrolidin-1-yl 2',4,4',5',7,7'-hexachloro-3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylate
IUPAC:2,5-dioxopyrrolidin-1-yl 2',4,4',5',7,7'-hexachloro-3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylate