InChI=1S/C20H30N2O6/c1-20(2,3)10-11-21-14(12-15(23)24)18(26)22-16(19(27)28-4)17(25)13-8-6-5-7-9-13/h5-9,14,16-17,21,25H,10-12H2,1-4H3,(H,22,26)(H,23,24)