InChI=1S/C29H48O2/c1-18-20(30)10-13-26(4)16-17-28(6)19(24(18)26)8-9-22-27(5)14-12-23(31)25(2,3)21(27)11-15-29(22,28)7/h18-22,24,30H,8-17H2,1-7H3