InChI=1S/C28H37NO10/c1-28(2,39-27-24(33)22(31)23(32)25(38-27)26(34)35)16-29-21(30)12-10-8-6-4-3-5-7-9-11-18-13-14-19-20(15-18)37-17-36-19/h6,8-15,22-25,27,31-33H,3-5,7,16-17H2,1-2H3,(H,29,30)(H,34,35)/b8-6+,11-9+,12-10+