benzo[e]isoindole-1,3-dione

3H-benzo[g][2]benzofuran-1-one

1(3H)-benzoisobenzofuranone

diethyl 5-[[2-(4-chloro-2-methylphenoxy)acetyl]amino]-3-methylthiophene-2,4-dicarboxylate

3,3-bis-(4-hydroxy-phenyl)-3H-naphtho[1,2-c]furan-1-one