InChI=1S/C16H13ClFNO9S/c17-10-4-11(18)12(5-13(10)27-6-14(20)21)19-15(22)8-2-1-7(28-29(24,25)26)3-9(8)16(19)23/h4-5,7H,1-3,6H2,(H,20,21)(H,24,25,26)