InChI=1/C16H22N6O2/c1-21-9-11-22(12-10-21)8-4-7-18-15(23)16-19-14(20-24-16)13-5-2-3-6-17-13/h2-3,5-6H,4,7-12H2,1H3,(H,18,23)/p+1/fC16H23N6O2/h18,21H/q+1 598B5B1BFB9B2B42