InChI=1S/C32H32N2O/c35-31(25-30(26-13-5-1-6-14-26)27-15-7-2-8-16-27)33-21-23-34(24-22-33)32(28-17-9-3-10-18-28)29-19-11-4-12-20-29/h1-20,30,32H,21-25H2