InChI=1/C12H14N4O2/c1-8-3-4-10(12(5-8)16(17)18)13-6-11-9(2)14-7-15-11/h3-5,7,13H,6H2,1-2H3,(H,14,15)/p+1/fC12H15N4O2/h14-15H/q+1 B9A16AC8B0D7574E