InChI=1/C12H11N5O3/c18-9-4-1-6-5-7(2-3-8(6)14-9)13-11(19)10-15-12(20)17-16-10/h2-3,5H,1,4H2,(H,13,19)(H,14,18)(H2,15,16,17,20)/p-1/fC12H10N5O3/h13-14,17H/q-1 E15A153713376A5F