InChI=1/C18H17N3O3/c1-2-5-17-20-14-7-4-3-6-13(14)18(24)21(17)19-11-12-8-9-15(22)16(23)10-12/h3-4,6-11,22-23H,2,5H2,1H3/b19-11+ 0D79E2EA94083081