InChI=1/C18H17N3O/c1-10-5-7-12(18(19)20-10)11-6-8-15-14(9-11)13-3-2-4-16(22)17(13)21-15/h5-9,21H,2-4H2,1H3,(H2,19,20)/f/h19H2 34213C8C149CC87C