InChI=1/C13H9N3O4S/c1-6-2-10(20-16-6)12(17)15-13-14-7-3-8-9(19-5-18-8)4-11(7)21-13/h2-4H,5H2,1H3,(H,14,15,17)/f/h15H EB06BACAFCEEAE1D