InChI=1/C13H16N4O2/c1-13(14,7-2-3-7)11(18)15-8-4-5-9-10(6-8)17-12(19)16-9/h4-7H,2-3,14H2,1H3,(H,15,18)(H2,16,17,19)/p+1/t13-/m1/s1/fC13H17N4O2/h14-17H/q+1 2FD4B066F7DCDCBF