InChI=1/C18H17N3O/c19-17-13-7-4-8-14(13)20-15-9-10-21(18(22)16(15)17)11-12-5-2-1-3-6-12/h1-3,5-6,9-10H,4,7-8,11H2,(H2,19,20)/p+1/fC18H18N3O/h20H,19H2/q+1 5899ED6D3CE8C29D