InChI=1/C13H18N4O/c1-10-7-12-13(8-11(10)2)17(15-14-12)9-16-3-5-18-6-4-16/h7-8H,3-6,9H2,1-2H3/p+1/fC13H19N4O/h16H/q+1 FBF2C8C3E4DEA28D