InChI=1S/C24H34O6/c1-13-16-9-17(30-15(3)26)20-23(5)8-6-7-22(4,12-29-14(2)25)18(23)10-19(27)24(20,11-16)21(13)28/h16-20,27H,1,6-12H2,2-5H3