左氧氟环合酯

(+) ethyl 2-(2,3,4,5-tetrafluoro)benzoyl-3-[(1-acetoxy-prop-2(S)-yl)amino]acrylate

乙醚

(-)-ethyl 1,4-dihydro-1-[1(S)-(hydroxymethyl)ethyl]-4-oxo-6,7,8-trifluoroquinoline-3-carboxylate

(+)-ethyl 2-(2,3,4,5-tetrafluorobenzoyl)-3-[(1-acetoxyprop-2(S)-yl)amino]acrylate