InChI=1S/C26H36O8/c1-15(7-6-8-16(2)13-14-27)9-11-18-17(3)10-12-19(26(18,4)5)33-25-22(30)20(28)21(29)23(34-25)24(31)32/h6-9,11,13-14,19-23,25,28-30H,10,12H2,1-5H3,(H,31,32)/b8-6+,11-9+,15-7+,16-13+