InChI=1/C16H19N5O/c1-21(2)10-9-18-16(22)11-5-3-6-12-14(11)20-15(19-12)13-7-4-8-17-13/h3-8,17H,9-10H2,1-2H3,(H,18,22)(H,19,20)/p+1/fC16H20N5O/h18-19,21H/q+1 F633813EACAABF47