| abstract |
The present invention relates to the CGRP antagonists of general formula I. in which R 1 , R 2 , R 3 and R 4 are as defined in claim 1, their tautomers, their isomers, their diastereomers, their enantiomers, their hydrates, their mixtures and their salts and the hydrates of the salts, in particular their physiologically acceptable Salts with inorganic or organic acids or bases, as well as those compounds of the general formula I in which one or more hydrogen atoms are exchanged by deuterium, medicaments containing these compounds, their use and processes for their preparation. |