InChI=1/C16H14N4O2S/c21-14-9-4-1-2-6-11(9)17-13(19-14)8-23-16-18-12-7-3-5-10(12)15(22)20-16/h1-2,4,6H,3,5,7-8H2,(H,17,19,21)(H,18,20,22)/f/h19-20H DC2BFA2F77E3E30B