InChI=1/C16H9FN2O4S/c17-9-4-5-12-11(6-9)13(20)8(7-23-12)2-1-3-10-14(21)18-16(24)19-15(10)22/h1-7H,(H2,18,19,21,22,24)/p-1/b2-1+/fC16H8FN2O4S/h18H/q-1/b2-1+,10-3- B4499F1E8C731E2A