InChI=1/C13H15N5O/c1-2-18-6-5-14-12(18)8-15-9-3-4-10-11(7-9)17-13(19)16-10/h3-7,15H,2,8H2,1H3,(H2,16,17,19)/p+1/fC13H16N5O/h14,16-17H/q+1 E0455B9BBCA95C89