InChI=1S/C26H34O8/c1-32-19(14-12-17-8-4-2-5-9-17)16-20(15-13-18-10-6-3-7-11-18)33-26-23(29)21(27)22(28)24(34-26)25(30)31/h2-11,19-24,26-29H,12-16H2,1H3,(H,30,31)