InChI=1/C13H17N5O/c1-2-5-16-12(19)7-11-17-9-4-3-8(13(14)15)6-10(9)18-11/h3-4,6H,2,5,7H2,1H3,(H3,14,15)(H,16,19)(H,17,18)/p+1/fC13H18N5O/h16,18H,14-15H2/q+1 CBF945533FA89F9C