InChI=1S/C31H54O/c1-21(14-20-32)22-11-17-28(4)23(22)12-18-30(6)25(28)9-10-26-29(5)16-8-15-27(2,3)24(29)13-19-31(26,30)7/h21-26,32H,8-20H2,1-7H3/t21?,22-,23+,24+,25-,26-,28+,29+,30-,31-/m1/s1