InChI=1S/C32H37NO9/c1-4-25(20-7-5-9-22(34)17-20)26(19-11-13-23(14-12-19)40-16-15-33(2)3)21-8-6-10-24(18-21)41-32-29(37)27(35)28(36)30(42-32)31(38)39/h5-14,17-18,27-30,32,34-37H,4,15-16H2,1-3H3,(H,38,39)/b26-25+