InChI=1/C18H25ClN4O4/c1-20-16(25)13-2-3-14(19)15(10-13)22-18(27)17(26)21-6-9-23-7-4-12(11-24)5-8-23/h2-3,10,12,24H,4-9,11H2,1H3,(H,20,25)(H,21,26)(H,22,27)/p+1/fC18H26ClN4O4/h20-23H/q+1 0E55F18F11F48523