InChI=1S/C20H30N2O6/c1-20(2,13-23)9-10-21-15(12-17(24)25)18(26)22-16(19(27)28-3)11-14-7-5-4-6-8-14/h4-8,15-16,21,23H,9-13H2,1-3H3,(H,22,26)(H,24,25)