InChI=1/C16H20N4O2/c21-15(10-1-4-13-14(9-10)19-16(22)18-13)17-11-5-7-20(8-6-11)12-2-3-12/h1,4,9,11-12H,2-3,5-8H2,(H,17,21)(H2,18,19,22)/p+1/fC16H21N4O2/h17-20H/q+1 BC24242388710DBB