Formula (I) wherein R
1
is a (2-4C)alkyl and is substituted by two or more fluorine groups and R
2
is methyl or ethyl, or a pharmaceutically acceptable salt thereof; processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases or medical conditions mediated by metalloproteinase enzymes.
公式(I)中,R1是(2-4C)烷基,被两个或更多
氟基取代,而R2是甲基或乙基,或其药学上可接受的盐;其制备方法,含有它们的制药组合物以及它们在治疗由
金属
蛋白酶酶介导的疾病或医疗状况中的应用。