InChI=1/C18H17N3O/c1-11-3-8-15-16(9-10-20-17(15)12(11)2)21-14-6-4-13(5-7-14)18(19)22/h3-10H,1-2H3,(H2,19,22)(H,20,21)/p+1/fC18H18N3O/h20-21H,19H2/q+1 287DF912C667518E