InChI=1S/C26H51NO4/c1-4-7-8-9-10-11-12-13-14-15-16-17-18-19-20-23-30-25(28)24(21-5-2)27-26(29)31-22-6-3/h24H,4-23H2,1-3H3,(H,27,29)