InChI=1/C13H16N4O2/c1-16(11-3-4-11)7-6-15-12-5-2-10(9-14)8-13(12)17(18)19/h2,5,8,11,15H,3-4,6-7H2,1H3/p+1/fC13H17N4O2/h16H/q+1 FD4538CF9D27DEA6