InChI=1/C11H14N4O4/c12-6-8-3-4-13(7-8)10-2-1-9(14(16)17)5-11(10)15(18)19/h1-2,5,8H,3-4,6-7,12H2/p+1/t8-/m0/s1/fC11H15N4O4/h12H/q+1 38E3F1FC7707C1BE