InChI=1S/C27H42O5/c1-17-8-7-9-18(2)14-15-27(6)22(12-11-19(3)23(29)13-10-17)24(25(30)26(27)31)20(4)16-32-21(5)28/h8,14,19-20,22-23,29-30H,7,9-13,15-16H2,1-6H3/b17-8-,18-14-