InChI=1/C12H16N4O4/c17-4-7-11(19)8(18)3-16(7)2-6-1-13-10-9(6)14-5-15-12(10)20/h1,5,7-8,11,13,17-19H,2-4H2,(H,14,15,20)/p+1/t7-,8+,11+/m1/s1/fC12H17N4O4/h15-16H/q+1 FEC1C89DDCEB6C3A