InChI=1S/C30H50O2/c1-20(18-31)8-7-9-21(2)22-12-14-28(6)24-11-10-23-26(3,4)25(32)13-15-29(23)19-30(24,29)17-16-27(22,28)5/h8,21-25,31-32H,7,9-19H2,1-6H3/b20-8+