InChI=1S/C29H33NO3/c31-27-13-11-24(12-14-27)23-33-22-21-30-18-15-28(16-19-30,17-20-30)29(32,25-7-3-1-4-8-25)26-9-5-2-6-10-26/h1-14,32H,15-23H2/p+1