InChI=1/C17H18N4O/c1-22-13-7-5-11(6-8-13)14-9-21(12-3-2-4-12)17-15(14)16(18)19-10-20-17/h5-10,12H,2-4H2,1H3,(H2,18,19,20)/f/h18H2 B39D17D045949E29