| 摘要 |
Compounds of the formula: <IMAGE> wherein R1 and R2 stand for alk-2-enyl radicals of not more than 6 carbon atoms, A stands for Gly or Azgly, B stands for Leu or Met, J stands for -(CH2)n-, wherein n stands for an integer from 1 to 10, or a phenylene radical, and pharmaceutically-acceptable acid-addition salts thereof. Processes for the manufacture of the compounds. Pharmaceutical compositions comprising one of the compounds and a pharmaceutical diluent or carrier. The compounds are selective delta -opiate-receptor antagonists.
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