摘要 |
The invention relates to carboxylic acids and esters of a general formula (I), wherein Ar, R, R1, X1, X3, X4, Y and Y1 have a definition given in a claim 1. Said invention also relates to tautomers, the enantiomers, mixtures and salts thereof, in particular to physiologically compatible salts containing organic or inorganic acids or bases, drugs containing said compounds using them as CGRT antagonists for treating a headache and to method for the production and use thereof for producing and cleaning antibodies and as labelled compounds for RIA and ELISA biological dosages and, finally as auxiliary diagnostics or analytics for neutrotransmitters.
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