InChI=1/C16H11N3O2S/c1-18-15(20)10(9-17)8-11-6-7-13(21-11)16-19-12-4-2-3-5-14(12)22-16/h2-8H,1H3,(H,18,20)/b10-8+/f/h18H 4E9A2D9E09B827A8