6,7,8-三氟-1,4-二氢-4-氧代-3-喹啉羧酸乙酯

左氧氟沙星

D-氧氟沙星

左旋氧氟沙星羧酸

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