InChI=1S/C30H40O3/c1-22(14-10-16-24(3)21-31)12-8-9-13-23(2)15-11-17-25(4)27-18-28-29(5,6)19-26(32)20-30(28,7)33-27/h8-18,21,26-27,32H,19-20H2,1-7H3/b9-8+,14-10+,15-11+,22-12+,23-13+,24-16-,25-17-