| abstract |
The present invention relates to addition salts and medicaments with the compounds of formula (I), their isomers and pharmaceutically acceptable acids or bases.n n n n n n n n In the above formula,n n n R 1 represents hydrogen or a halogen atom or an alkyl or alkoxy group,n n n R 2 represents a hydroxy, alkoxy or —NHOH group,n n n Ar 1 represents a phenylene or biphenylene group,n n n X represents an oxygen or sulfur atom, an NR group, a -C≡C- group or a bond,n n n R represents a hydrogen atom or an alkyl group,n n n n represents an integer of 0 to 6,n n n Ar 2 is as defined in the specification. |