InChI=1/C15H14N4O4S/c16-15(11-4-6-24-9-11)17-23-8-14(20)18-5-3-10-1-2-12(19(21)22)7-13(10)18/h1-2,4,6-7,9H,3,5,8H2,(H2,16,17)/f/h16H2/b17-15+ 9214C2312CF9AB68