InChI=1S/C30H52O/c1-8-22(19(2)3)10-9-20(4)24-13-14-26-23-11-12-25-21(5)28(31)16-18-30(25,7)27(23)15-17-29(24,26)6/h19-22,24-26,28,31H,8-18H2,1-7H3/t20?,21-,22?,24?,25?,26?,28-,29?,30?/m1/s1