InChI=1S/C32H52O4/c1-19(2)20(3)9-10-21(4)25-13-14-26-24-11-12-28-30(36-23(6)34)29(35-22(5)33)16-18-32(28,8)27(24)15-17-31(25,26)7/h12,19-21,24-27,29-30H,9-11,13-18H2,1-8H3