InChI=1S/C24H34O5/c1-19(2)9-6-10-20(3)11-7-12-23(17-25)13-8-14-24(18-29-22(5)27)15-16-28-21(4)26/h9,11,13,15-18H,6-8,10,12,14H2,1-5H3