InChI=1/C15H15N5O2/c1-9-5-10-6-11(3-4-13(10)20-9)22-15-12(7-19-21-2)14(16)17-8-18-15/h3-8,20H,1-2H3,(H2,16,17,18)/b19-7+/f/h16H2 95EB9C8A9F46AF17