| 摘要 |
Compounds of the formula <IMAGE> wherein R1, R2 and R3, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, methyl, ethyl, methoxy or trifluoromethyl, and R4 and R5 are each hydrogen or propargyl, but other than both hydrogen or both propargyl at the same time, AND NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF; THE COMPOUNDS AS WELL AS THE SALTS ARE USEFUL AS ANALGESICS AND HYPOTENSIVES. |
