InChI=1/C16H10N4O3S/c21-15(11-7-4-8-22-11)19-16-18-12(10-5-2-1-3-6-10)13(24-16)14-17-9-23-20-14/h1-9H,(H,18,19,21)/f/h19H 89273836BD50ACCE