Compounds are provided having the following formula: ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are defined in the specification, which have matrix metalloproteinase inhibiting activity.
提供具有以下公式的化合物:##STR1## 其中R、R.sub.1、R.sub.2、R.sub.3和R.sub.4在规范中有定义,并具有基质
金属
蛋白酶抑制活性。