InChI=1S/C18H19ClN4O6/c1-21-16-15(17(26)22(2)18(21)27)23(10-20-16)7-12(24)8-29-14(25)9-28-13-5-3-11(19)4-6-13/h3-6,10,12,24H,7-9H2,1-2H3