| 摘要 |
Compounds useful as medicaments, of the formula: <IMAGE> (I) in which X is hydrogen, halogen, alkyl containing 1 to 4 carbon atoms, alkoxy containing 1 to 4 carbon atoms or alkylthio containing 1 to 4 carbon atoms, one of the substituents R1 and R2 is hydrogen, alkyl containing 1 to 4 carbon atoms, phenyl or phenyl substituted by halogen, alkyl containing 1 to 4 carbon atoms, alkoxy containing 1 to 4 carbon atoms, alkylthio containing 1 to 4 carbon atoms, trifluoromethyl, nitro, unsubstituted amino or amino substituted by one or two alkyl containing 1 to 2 carbon atoms, and the other of the substituents R1 and R2 is a group of the formula: <IMAGE> in which n is 1, 2 or 3 and R is hydrogen or alkyl containing 1 to 4 carbon atoms. |
