InChI=1/C16H12N4O3/c1-23-10-4-2-9(3-5-10)20-15-11(14(19-20)16(21)22)6-7-13-12(15)8-17-18-13/h2-8H,1H3,(H,17,18)(H,21,22)/p-1/fC16H11N4O3/h18H/q-1 3EF064DD6B28982B