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