InChI=1S/C31H52/c1-20(2)22-12-15-28(6)23(22)13-16-30(8)25(28)10-11-26-29(7)19-21(3)18-27(4,5)24(29)14-17-31(26,30)9/h21-26H,1,10-19H2,2-9H3/t21-,22-,23+,24+,25-,26-,28+,29+,30-,31-/m1/s1