InChI=1S/C26H38O8/c1-15(11-14-32-24-21(29)19(27)20(28)22(33-24)23(30)31)8-9-18-26(5,34-18)13-10-17-16(2)7-6-12-25(17,3)4/h8-11,13,18-22,24,27-29H,6-7,12,14H2,1-5H3,(H,30,31)/b9-8+,13-10+,15-11+