英文名称
2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;(3R)-2',4',5'-tribromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;(3S)-2',4',5'-tribromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;(3R)-2',4',7'-tribromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;(3S)-2',4',7'-tribromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one