InChI=1/C16H20N6O/c17-9-13-4-5-15(21-11-13)20-7-2-6-19-12-16(23)22-8-1-3-14(22)10-18/h4-5,11,14,19H,1-3,6-8,12H2,(H,20,21)/p+1/t14-/m0/s1/fC16H21N6O/h19-20H/q+1 C8D20E9ED818EF6A