InChI=1S/C30H54/c1-21-11-15-25-27(3,4)17-9-19-29(25,7)23(21)13-14-24-22(2)12-16-26-28(5,6)18-10-20-30(24,26)8/h21-26H,9-20H2,1-8H3/t21-,22+,23+,24?,25+,26?,29-,30-/m0/s1