InChI=1/C18H22N4O2/c23-17(14-9-12-5-1-2-6-15(12)21-18(14)24)19-10-13-11-22-8-4-3-7-16(22)20-13/h9,11H,1-8,10H2,(H,19,23)(H,21,24)/p+1/fC18H23N4O2/h19-21H/q+1 5F733483D1C1412E