InChI=1/C18H17N3O6/c22-13-3-1-12(14(23)8-13)9-20-21-17(24)10-19-18(25)11-2-4-15-16(7-11)27-6-5-26-15/h1-4,7-9,22-23H,5-6,10H2,(H,19,25)(H,21,24)/b20-9+/f/h19,21H D16C9A5D60A157B4