InChI=1/C12H12N4O2/c17-16(18)9-3-1-2-8(6-9)11-12-10(4-5-13-11)14-7-15-12/h1-3,6-7,11,13H,4-5H2,(H,14,15)/p+1/t11-/m1/s1/fC12H13N4O2/h14-15H/q+1 1E814E9D20CCDF40