InChI=1S/C27H40O5/c1-4-6-8-10-11-13-15-17-25(29)32-27(3)24(28)19-21-18-22(16-14-12-9-7-5-2)31-20-23(21)26(27)30/h18-20H,4-17H2,1-3H3/t27-/m0/s1