InChI=1S/C33H51NO8/c1-16-22-9-10-31(2,40)15-34(22)23-14-21-19-6-5-17-13-18(41-30-27(37)25(35)26(36)28(42-30)29(38)39)7-11-32(17,3)20(19)8-12-33(21,4)24(16)23/h5,16,18-28,30,35-37,40H,6-15H2,1-4H3,(H,38,39)