InChI=1S/C29H46O2/c1-19(8-7-9-20(2)30)21-12-14-27(6)23-11-10-22-25(3,4)24(31)13-15-28(22)18-29(23,28)17-16-26(21,27)5/h7,9,19,21-24,31H,8,10-18H2,1-6H3/b9-7+