InChI=1/C20H17FN2O5S/c1-2-27-16-9-12(3-8-15(16)28-11-18(24)25)10-17-19(26)23-20(29-17)22-14-6-4-13(21)5-7-14/h3-10H,2,11H2,1H3,(H2,22,23,24,25,26)/p-2/b17-10+/fC20H15FN2O5S/q-2 93637063CA1ECDC4