InChI=1S/C19H10F5NO4S/c20-13-7-10(9-2-1-3-11(6-9)29-19(22,23)24)8-14(21)15(13)25-17(26)12-4-5-30-16(12)18(27)28/h1-8H,(H,25,26)(H,27,28)