InChI=1/C16H11N5O4/c17-15-14(21(23)25-20-15)16(22)19-18-13-9-5-1-3-7-11(9)24-12-8-4-2-6-10(12)13/h1-8H,(H2,17,20)(H,19,22)/p+1/fC16H12N5O4/h18-19H,17H2/q+1 7311854DE60185F9