InChI=1/C16H18N4O3/c1-10-3-5-12(23-10)8-20(2)9-15(21)17-11-4-6-13-14(7-11)19-16(22)18-13/h3-7H,8-9H2,1-2H3,(H,17,21)(H2,18,19,22)/p+1/fC16H19N4O3/h17-20H/q+1 45607D259CEA20D9