InChI=1S/C32H37NO9/c1-4-23(19-9-6-5-7-10-19)26(20-11-8-12-21(34)17-20)24-14-13-22(40-16-15-33(2)3)18-25(24)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)/b26-23-