InChI=1/C31H29NO/c1-32(25-26-13-5-2-6-14-26)24-12-11-23-31(33,29-17-9-4-10-18-29)30-21-19-28(20-22-30)27-15-7-3-8-16-27/h2-10,13-22,33H,23-25H2,1H3/t31-/m1/s1 3B24B4B84E7BFB15