InChI=1S/C18H24N4O6/c1-11(18(26)22-8-6-14(7-9-22)28-10-15(23)24)20-17(25)13-4-2-12(3-5-13)16(19)21-27/h2-5,11,14,27H,6-10H2,1H3,(H2,19,21)(H,20,25)(H,23,24)