InChI=1S/C24H38O8/c1-14(2)12-13-18(16(4)10-6-8-15(3)9-7-11-17(5)25)31-24-21(28)19(26)20(27)22(32-24)23(29)30/h9-10,12,18-22,24,26-28H,6-8,11,13H2,1-5H3,(H,29,30)/b15-9+,16-10-