InChI=1/C9H11F9N2O4S/c1-3(2)4(5(21)19-22)20-25(23,24)9(17,18)7(12,13)6(10,11)8(14,15)16/h3-4,20,22H,1-2H3,(H,19,21)/t4-/m1/s1/f/h19H F421158692FD7A7A