InChI=1S/C32H37NO8/c1-33(2)18-20-39-24-15-13-23(14-16-24)26(22-11-7-4-8-12-22)25(21-9-5-3-6-10-21)17-19-40-32-29(36)27(34)28(35)30(41-32)31(37)38/h3-16,27-30,32,34-36H,17-20H2,1-2H3,(H,37,38)/b26-25+