abstract |
The invention relates to new compounds of formula I DOLLAR F1 or their pharmaceutically acceptable salts, DOLLAR A wherein DOLLAR AR · 1 ·, R · 2 ·, R · 3 ·, R · 4 ·, X and Ar · 1 · in the description have the meanings indicated and their preparation and use. The new compounds are valuable neurokinin (tachykinin) antagonists. |