摘要 |
Compounds of the formula <IMAGE> wherein each of X and Y are hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl; each of p and q is the integer 1 or 2 and each of m and n is an integer from 1 to 4 and of acid addition salts thereof, with hypotensive and bradycardic effects are prepared, for example, by chiral reduction of Schiff's bases corresponding to the formula I. |