InChI=1S/C28H39NO10/c1-17(2)15-29-26(33)20(38-28-24(32)22(30)23(31)25(39-28)27(34)35)11-9-7-5-3-4-6-8-10-18-12-13-19-21(14-18)37-16-36-19/h7-10,12-14,17,20,22-25,28,30-32H,3-6,11,15-16H2,1-2H3,(H,29,33)(H,34,35)/b9-7+,10-8+