InChI=1S/C29H44O4/c1-24(2)15-18-17-7-8-20-26(5)11-10-21(30)25(3,4)19(26)9-12-27(20,6)29(17)14-13-28(18,22(31)16-24)23(32)33-29/h7,18-22,30-31H,8-16H2,1-6H3/t18-,19-,20+,21-,22?,26-,27+,28-,29-/m0/s1