InChI=1S/C27H40O3/c1-8-12-20(2)13-9-10-14-21(3)15-11-16-22(4)24(29)17-25-26(5,6)18-23(28)19-27(25,7)30/h8-11,13-17,23-24,28-30H,1,12,18-19H2,2-7H3/b10-9+,15-11+,20-13+,21-14+,22-16+,25-17-