InChI=1S/C32H37NO8/c1-4-23(24-12-8-9-13-25(24)40-32-29(36)27(34)28(35)30(41-32)31(37)38)26(20-10-6-5-7-11-20)21-14-16-22(17-15-21)39-19-18-33(2)3/h5-17,27-30,32,34-36H,4,18-19H2,1-3H3,(H,37,38)/b26-23+