InChI=1/C24H20N2O4/c27-23(25-16-10-11-21-22(14-16)29-13-5-12-28-21)15-30-26-24-19-8-3-1-6-17(19)18-7-2-4-9-20(18)24/h1-4,6-11,14H,5,12-13,15H2,(H,25,27)/f/h25H C18EEFEB5E7B22DE