InChI=1/C17H20N4O2/c18-8-4-1-5-9-19-15-14(16(22)21-17(15)23)13-10-11-6-2-3-7-12(11)20-13/h2-3,6-7,10,20H,1,4-5,8-9,18H2,(H2,19,21,22,23)/p+1/fC17H21N4O2/h18-19,21H/q+1 7DE16A5D1DB35A9D