| 摘要 |
The invention relates to compounds of formula (I) wherein R0 represents H or OH; R1 represents alkoxy; U and W represent N, V represents CH and R2 re presents H or F, or U and V represent CH, W represents N and R2 represents H or F, or U and V represent N, W represents CH and R2 represents H, or U rep resents N, V represents CH, W represents CRa and R2 represents H; Ra represe nts CH2OH or alkoxycarbonyl; A represents the group CH=CH-B or a binuclear h eterocyclic system D, B representing a mono- or di-substituted phenyl group wherein the substituents are halogen atoms and D representing one of the fol lowing groups wherein Z represents CH or N, and Q represents O or S; and to salts of such compounds. These compounds are useful as antibacterial agents.
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