InChI=1/C18H17N3O/c19-11-13-5-7-15(20-13)12-4-6-16-14(10-12)18(17(22)21-16)8-2-1-3-9-18/h4-7,10,19H,1-3,8-9H2,(H,20,21,22)/p-1/fC18H16N3O/h19h,21H/q-1 E401190A30E2121B