InChI=1/C20H14N4O/c1-13-22-19-17(20(25)23-13)12-18(24-19)15-9-10-21-16(11-15)8-7-14-5-3-2-4-6-14/h2-12,21H,1H2/q-2/b8-7+ BA8D43332666B4E5