| 摘要 |
Compounds of the formula <IMAGE> +TR <IMAGE> wherein n is 1 or 2, R1 is hydrogen, -CO-R2 or -SO2R3, R2 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or (alkyl of 1 to 4 carbon atoms)amino, and R3 is alkyl of 1 to 4 carbon atoms, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bronchospasmolytics. |
