1H-isoindole-1,3(2H)-dione, 2-[2-(2-fluoro-3,4-dimethoxyphenyl)-2-oxoethyl]- 2-[2-(2-fluoro-3,4-dimethoxyphenyl)-2-oxoethyl]-1H-isoindole-1,3(2H)-dione InChI=1/C18H14FNO5/c1-24-14-8-7-12(15(19)16(14)25-2)13(21)9-20-17(22)10-5-3-4-6-11(10)18(20)23/h3-8H,9H2,1-2H