InChI=1/C13H11F9N2O4S/c14-10(15,12(18,19)20)11(16,17)13(21,22)29(27,28)24(7-9(25)23-26)6-8-4-2-1-3-5-8/h1-5,26H,6-7H2,(H,23,25)/f/h23H 42D7CCAF9448A1AB