| abstract |
Disclosed herein are compounds of the formula: n wherein n R is phenyl or substituted phenyl; n or R is furyl, pyridyl or quinolinyl; n R 1 and R 2 are hydrogen, halogen, alkyl, alkoxy, nitro, carboxyl, alkoxy-carbonyl or aryloxycarbonyl; n R 3 is hydrogen, alkyl, aryl or arylalkyl; n R 4 and R 5 are hydrogen or alkyl; n or a pharmaceutically acceptable salt thereof, which are useful as inhibitors of smooth muscle cell proliferation. |