InChI=1S/C31H54O/c1-20-19-29(7)22(27(4,5)25(20)32)14-18-31(9)24(29)12-11-23-28(6)16-10-15-26(2,3)21(28)13-17-30(23,31)8/h20-25,32H,10-19H2,1-9H3/t20-,21-,22-,23+,24+,25-,28-,29-,30+,31+/m0/s1