InChI=1/C18H20N4O2/c1-22(2)11-13-5-3-4-12(8-13)10-19-17(23)14-6-7-15-16(9-14)21-18(24)20-15/h3-9H,10-11H2,1-2H3,(H,19,23)(H2,20,21,24)/p+1/fC18H21N4O2/h19-22H/q+1 79AF1F24FA43DBF1