InChI=1/C16H12N4S/c1-10-19-20-16(21-10)18-15-11-6-2-4-8-13(11)17-14-9-5-3-7-12(14)15/h2-9H,1H3,(H,17,18,20)/p+1/fC16H13N4S/h17-18H/q+1 EF6DCE9B722B115F