InChI=1S/C26H38O8/c1-16(10-11-19-18(3)9-6-13-26(19,4)15-27)7-5-8-17(2)12-14-33-25-22(30)20(28)21(29)23(34-25)24(31)32/h5,7-8,10-12,20-23,25,27-30H,6,9,13-15H2,1-4H3,(H,31,32)/b8-5+,11-10+,16-7+,17-12+