InChI=1/C16H10N4O3S/c21-14-12(8-9-4-3-7-23-9)24-16(18-14)20-19-13-10-5-1-2-6-11(10)17-15(13)22/h1-8H,(H2,17,18,19,20,21,22)/b12-8+/f/h17,19H EE644F75D27CC96A