InChI=1S/C18H17ClN4O6/c1-10(24)17(18(25)20-14-8-11(19)4-7-15(14)28-2)22-21-13-6-5-12(23(26)27)9-16(13)29-3/h4-9,17H,1-3H3,(H,20,25)