InChI=1/C16H19N3O3/c1-18-9-5-8-12(18)10-13-14(20)17-16(22)19(15(13)21)11-6-3-2-4-7-11/h5,8-11H,2-4,6-7H2,1H3,(H,17,20,22)/b13-10-/f/h17H 2ED1917873B7C94C