InChI=1/C12H9N5O2S/c18-12(19)8-7(2-1-3-13-8)4-20-11-9-10(15-5-14-9)16-6-17-11/h1-3,5-6H,4H2,(H,18,19)(H,14,15,16,17)/p-1/fC12H8N5O2S/h14H/q-1 C4982E8A96D32E18