摘要：

A compound of formula (I) wherein A is a sulfonyl or a carbonyl; R 1 is an optionally substituted aryl, an optionally substituted heterocyclic group, an optionally substituted lower alkyl or an optionally substituted lower alkenyl; R 2 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; R 3 is an optionally substituted lower alkyl, an optionally substituted lower alkoxy, an optionally substituted aryloxy, an optionally substitued lower alkenyl, an optionally substituted aryl, an optionally substituted heterocyclic group or an optionally substitued amino, R 4 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group, R 5 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; and R 10 is a hydroxy or a protected hydroxy, and a pharmaceutically acceptable salt thereof. The compound of the present invention is useful as a medicament for prophylactic and therapeutic treatment of MMP- or TNF±-mediated diseases.

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