InChI=1/C18H17N3O2/c22-17(18(23)21-14-6-2-1-3-7-14)19-11-10-13-12-20-16-9-5-4-8-15(13)16/h1-9H,10-12H2,(H,19,22)(H,21,23)/p+1/fC18H18N3O2/h19-21H/q+1 51ABC8FEF94315CB