InChI=1/C12H14N4O2/c1-8-12(15-11(14-8)7-13-2)9-4-3-5-10(6-9)16(17)18/h3-6,13H,7H2,1-2H3,(H,14,15)/p+1/fC12H15N4O2/h13,15H/q+1 D13E29F666DA4659