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