InChI=1/C16H12N2O3S/c19-16(10-1-3-13-14(7-10)21-6-5-20-13)18-11-2-4-15-12(8-11)17-9-22-15/h1-4,7-9H,5-6H2,(H,18,19)/f/h18H 5A60D095B089CBDD