InChI=1/C17H19N3O5/c1-9-13-10(20-23)7-17(2,3)8-12(13)25-14(9)16(22)19-18-15(21)11-5-4-6-24-11/h4-6,23H,7-8H2,1-3H3,(H,18,21)(H,19,22)/b20-10+/f/h18-19H 79DD8A26DD9CB2B9