InChI=1S/C26H38O8/c1-15(9-10-18-17(3)19(27)11-13-26(18,4)5)7-6-8-16(2)12-14-33-25-22(30)20(28)21(29)23(34-25)24(31)32/h6-10,12,19-23,25,27-30H,11,13-14H2,1-5H3,(H,31,32)/b8-6+,10-9+,15-7+,16-12+