A compound of formula I or pharmaceutical acceptable salts thereof, ##STR1## wherein R.sub.1 is isopropyl, 2-methylbut-2yl, phenyl, benzyl, or 1H-indol-3ylmethyl; R.sub.2 is n-octyl, phenyl, or phenyl substituted with methoxy, fluoro, or bromo, are matrix metalloproteinase inhibitors.
化合物I的公式或其药用可接受的盐,其中:##STR1## R.sub.1是异丙基,2-甲基丁-2-基,苯基,苄基或1H-
吲哚-3-甲基基;R.sub.2是
正辛基,苯基或甲氧基,
氟代或
溴代取代的苯基,它们是基质
金属蛋白酶抑制剂。