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