InChI=1S/C24H34O7/c1-12(15-8-9-16-23(4,5)10-7-11-24(15,16)6)17-18-19(28-13(2)25)20(27)30-21(17)31-22(18)29-14(3)26/h15-19,21-22H,1,7-11H2,2-6H3