InChI=1/C12H16N4O4/c17-3-7-11(19)10(18)6(16-7)1-5-2-13-9-8(5)14-4-15-12(9)20/h2,4,6-7,10-11,13,16-19H,1,3H2,(H,14,15,20)/p+1/t6-,7+,10+,11-/m0/s1/fC12H17N4O4/h15-16H/q+1 16BD849A0CEC559E