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