InChI=1/C20H17N3O2/c1-25-20(24)18-10-16-15-9-14(21-11-13-5-3-2-4-6-13)7-8-17(15)23-19(16)12-22-18/h2-10,12,21,23H,11H2,1H3/p+1/fC20H18N3O2/h22H/q+1 89DB10648CAE4632