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