InChI=1/C19H17N3O/c1-22-17-9-5-4-8-16(17)21-19(22)20-12-15-14-7-3-2-6-13(14)10-11-18(15)23/h2-11H,12H2,1H3,(H2,20,21,23)/p+1/fC19H18N3O/h20-21,23H/q+1 8243CDDCEECB984D