InChI=1S/C19H28N2O6/c1-19(2,3)9-10-20-14(15(22)18(26)27)16(23)21-13(17(24)25)11-12-7-5-4-6-8-12/h4-8,13-15,20,22H,9-11H2,1-3H3,(H,21,23)(H,24,25)(H,26,27)