InChI=1/C11H11N5O4/c17-10-11(18)14-7-4-9(16(19)20)8(3-6(7)13-10)15-2-1-12-5-15/h3-4,12H,1-2,5H2,(H,13,17)(H,14,18)/p+1/fC11H12N5O4/h12-14H/q+1 122623E08C27A8BF