InChI=1/C13H7F5N2O3S/c14-8-7(9(15)11(17)12(18)10(8)16)13(21)20-5-3-1-2-4-6(5)24(19,22)23/h1-4H,(H,20,21)(H2,19,22,23)/f/h20H,19H2 3439945569063396