InChI=1/C13H17N5O/c1-9-3-4-11(17-14)10(7-9)13(19)16-8-12-15-5-6-18(12)2/h3-7,17H,8,14H2,1-2H3,(H,16,19)/p+1/fC13H18N5O/h15-16H/q+1 18A8A485FA2E65F8