| 摘要 |
Antibacterial compounds having the formula <IMAGE> and pharmaceutically acceptable salts thereof, wherein Y is selected from <IMAGE> <IMAGE> <IMAGE> and X is selected from the group consisting of -C(O)-, -C(S)-, -CH2-, -CH2CH2- and -C(CH3)2-; also disclosed are processes and intermediates useful in the preparation of the above compounds, as well as compositions containing the same and methods for their use.
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