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