InChI=1S/C31H50O3/c1-19-9-11-24(34-27(19)33-8)20(2)21-13-17-31(7)23-10-12-25-28(3,4)26(32)15-16-29(25,5)22(23)14-18-30(21,31)6/h9,20-21,24-27,32H,10-18H2,1-8H3/t20-,21+,24-,25-,26-,27-,29+,30+,31-/m0/s1