InChI=1/C19H14N4O2S/c24-16-11-15(13-7-3-1-4-8-13)20-19(21-16)26-12-17-22-18(23-25-17)14-9-5-2-6-10-14/h1-11H,12H2,(H,20,21,24)/p-1/fC19H13N4O2S/q-1 21EAD4B8CB04F41C