InChI=1S/C26H44O8/c1-15(10-12-33-24-23(32)22(31)21(30)18(13-27)34-24)5-7-17-16(2)6-8-19-25(17,3)11-9-20(29)26(19,4)14-28/h10,17-24,27-32H,2,5-9,11-14H2,1,3-4H3/b15-10+