InChI=1S/C32H30N2O2/c1-5-21-13-9-11-19(3)29(21)33-25-17-18-26(34-30-20(4)12-10-14-22(30)6-2)28-27(25)31(35)23-15-7-8-16-24(23)32(28)36/h7-18,33-34H,5-6H2,1-4H3