InChI=1S/C26H20N2O2/c1-13-11-17-15-7-3-5-9-19(15)27-23(17)21(25(13)29)22-24-18(12-14(2)26(22)30)16-8-4-6-10-20(16)28-24/h3-12,27-30H,1-2H3