InChI=1S/C29H36O2/c1-22(12-8-9-13-23(2)16-11-17-26(5)30)14-10-15-24(3)18-19-28-25(4)20-27(31)21-29(28,6)7/h8-20H,21H2,1-7H3/b12-8+,13-9+,15-10+,17-11+,22-14+,23-16+,24-18+,28-19-