InChI=1/C21H13FN2O5S/c1-12-6-8-14(17(10-12)24(27)28)18-9-7-13(29-18)11-19-20(25)23(21(26)30-19)16-5-3-2-4-15(16)22/h2-11H,1H3/b19-11+ A837A9FD951427C2