InChI=1S/C28H39NO2/c1-19(2)9-8-14-28-24(17-21-18-29-23-11-7-6-10-22(21)23)27(5,31)16-15-26(28,4)20(3)12-13-25(28)30/h6-7,9-11,18,20,24,29,31H,8,12-17H2,1-5H3/t20-,24-,26+,27-,28-/m1/s1