InChI=1/C16H20N4O/c17-15(19-21)8-10-20(14-6-7-14)11-13-4-1-3-12-5-2-9-18-16(12)13/h1-5,9,14,21H,6-8,10-11H2,(H2,17,19)/p+1/fC16H21N4O/h20H,17H2/q+1/b19-15+	B41EF23DC78358BA