InChI=1/C15H17N3O3/c19-13-12(9-10-5-4-8-16-10)14(20)18(15(21)17-13)11-6-2-1-3-7-11/h4-5,8-9,11,16H,1-3,6-7H2,(H,17,19,21)/p-1/fC15H16N3O3/q-1 900F0B3DF5457FF9