InChI=1S/C27H40O4/c1-16(2)9-8-13-27(7)22-11-10-17(3)21(26(22,6)14-12-23(27)28)15-20-24(29)18(4)19(5)31-25(20)30/h9,21-23,28-29H,3,8,10-15H2,1-2,4-7H3/t21-,22-,23-,26-,27+/m1/s1