InChI=1S/C26H38O8/c1-16(12-14-33-25-22(30)20(28)21(29)23(34-25)24(31)32)7-5-9-18(15-27)10-11-19-17(2)8-6-13-26(19,3)4/h5,7,9-12,20-23,25,27-30H,6,8,13-15H2,1-4H3,(H,31,32)/b7-5+,11-10+,16-12+,18-9-