| 摘要 |
<p>A compound of the formula : in which R1 is optionally substituted phenyl, optionally substituted naphthyl, optionally substituted bicyclic heterocyclic group, optionally substituted lower alkenyl or optionally substituted lower alkynyl, and R2 is carboxy or protected carboxy, or a salt thereof, useful for treating and/or preventing MMP- or TNF-α mediated diseases.</p> |
