1 GA9 3,3-bis(3-bromo-4-hydroxyphenyl)-7-chloro-1h,3h-benzo[de]isochromen-1-one 1.000 2 A15 3'-3"-dichlorophenol-1,8-3h-benzo[de]isochromen-1-one 0.848 3 MR2 3-diphenol-6-nitro-3h-benzo[de]isochromen-1-one 0.824 4 FGT 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one 0.719