| 摘要 |
<p>Antibacterial 7 beta -(fluorinated methylthioacetamido)-7 alpha -methoxy-3-(nucleophilic group-substituted methyl)-1-dethia-1-oxa-3-cephem-4-carboxylic acids represented by the following formula <CHEM> (wherein A is monofluoromethyl or difluoromethyl; B is hydrogen or a salt or ester forming group; and Z is a nucleophilic group, e.g., halogen, acyloxy, heterocyclic thio, or the like.)</p> |
