InChI=1/C16H12N2O3S/c19-15(12-9-20-7-8-21-12)18-16-17-14-11-4-2-1-3-10(11)5-6-13(14)22-16/h1-6,9H,7-8H2,(H,17,18,19)/f/h18H 7522C6675A05C277