发明授权
US5795888A N-substituted azaheterocyclic carboxlic acids and esters thereof 失效
N-取代的氮杂环状羧酸及其酯

N-substituted azaheterocyclic carboxlic acids and esters thereof
摘要:
The present invention relates to novel N-substituted azaheterocyclic carboxylic acids and esters thereof in which a substituted alkyl chain of the N-substituent or salts thereof, to methods for their preparation, to compositions containing them, and to their use for the clinical treatment of painful, hyperalgesic and/or inflammatory conditions in which C-fibers play a pathophysiological role by eliciting neurogenic pain or inflammation.
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