InChI=1/C16H14N4O9S/c21-7-11(16(26)27)20-14(23)8-4-17-13(18-5-8)6-19-30(28,29)9-1-2-12(22)10(3-9)15(24)25/h1-5,7,11,19,22H,6H2,(H,20,23)(H,24,25)(H,26,27)/p-2/t11-/m1/s1/fC16H12N4O9S/h20H/q-2 489888F02CFFAB1C