| 摘要 |
<p>Quino-benzothiazine compounds having the formula: <CHEM> wherein R2 is one or more substituents, R1 is a hydrogen or a carboxy-protecting group, Z is an amine group, pyridine or an aliphatic heterocyclic group and W is halogen or hydrogen or, alternatively, W and Z together form a methylenedioxy bridge. The compounds have antibacterial activity.</p> |
