InChI=1/C12H16N4O2/c1-7(2)13-6-11(17)14-8-3-4-9-10(5-8)16-12(18)15-9/h3-5,7,13H,6H2,1-2H3,(H,14,17)(H2,15,16,18)/p+1/fC12H17N4O2/h13-16H/q+1 DBE4B7331FC1B91F