1 A15 3'-3"-dichlorophenol-1,8-3h-benzo[de]isochromen-1-one 1.000 2 GA9 3,3-bis(3-bromo-4-hydroxyphenyl)-7-chloro-1h,3h-benzo[de]isochromen-1-one 0.848 3 MR2 3-diphenol-6-nitro-3h-benzo[de]isochromen-1-one 0.848 4 IOQ 2',7'-bis(chloranyl)-3',6'-bis(oxidanyl)spiro[2-benzofuran-3,9'-xanthene]-1-one 0.781 5 FGT 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one 0.742