InChI=1/C15H18N4O/c1-19(10-12-5-3-2-4-11(12)9-16)13-6-7-18-14(8-13)15(17)20/h2-8H,9-10,16H2,1H3,(H2,17,20)/p+1/fC15H19N4O/h16H,17H2/q+1 9F33AFB091AA9501