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