InChI=1/C16H17N5/c17-15(18-11-10-12-6-2-1-3-7-12)21-16-19-13-8-4-5-9-14(13)20-16/h1-9H,10-11H2,(H4,17,18,19,20,21)/p+1/fC16H18N5/h18-19,21H,17H2/q+1 78F63ECC17F1F62F