InChI=1S/C32H37NO9/c1-33(2)16-18-40-23-13-11-21(12-14-23)26(25(15-17-34)20-7-4-3-5-8-20)22-9-6-10-24(19-22)41-32-29(37)27(35)28(36)30(42-32)31(38)39/h3-14,19,27-30,32,34-37H,15-18H2,1-2H3,(H,38,39)/b26-25+