InChI=1/C15H14N4O8S/c20-15(16-21)10-17(9-11-5-7-12(8-6-11)18(22)23)28(26,27)14-4-2-1-3-13(14)19(24)25/h1-8,21H,9-10H2,(H,16,20)/f/h16H F9B51B9B3FAF5803