InChI=1S/C31H52O2/c1-20(2)21(3)8-9-22(4)23-12-14-29(7)25-11-10-24-27(5,19-32)26(33)13-15-30(24)18-31(25,30)17-16-28(23,29)6/h20,22-26,32-33H,3,8-19H2,1-2,4-7H3/t22-,23?,24?,25?,26+,27+,28-,29+,30?,31?/m1/s1