InChI=1/C21H17N7O2/c1-26(2)18-9-8-14(11-19(18)28(29)30)10-15(12-22)20-17(13-23)21(24)27(25-20)16-6-4-3-5-7-16/h3-11H,24H2,1-2H3/b15-10+ A1681D0787675688