InChI=1/C14H12N2O3S/c17-12-6-7-15-14(16-12)20-9-11-3-1-2-10(8-11)4-5-13(18)19/h1-8H,9H2,(H,18,19)(H,15,16,17)/p-1/b5-4+/fC14H11N2O3S/h16H/q-1 BA80895E8B71232A