InChI=1/C13H9N5O4S/c19-12-11(18(21)22)13(20)16-9(15-12)4-3-7-6-14-17-10(7)8-2-1-5-23-8/h1-6H,(H,14,17)(H2,15,16,19,20)/p-1/b4-3+/fC13H8N5O4S/h15,17H/q-1 DF62F6D14AF88646