InChI=1/C12H13F3N2O5S/c13-12(14,15)9-2-1-7-16(8-9)23(20,21)22-11-5-3-10(4-6-11)17(18)19/h3-6,9H,1-2,7-8H2/t9-/m1/s1 5F441357132E11A5