Provided is an ORL-1 receptor agonist having improved bioavailability based on superior metabolic stability and strong and high selectivity, as compared to conventional compounds. A compound represented by the formula (I)
wherein each symbol is as defined in the claims.
提供了一种基于卓越的代谢稳定性和强大的高选择性,相比传统化合物具有改善
生物利用度的ORL-1受体激动剂。该化合物由公式(I)表示,其中每个符号如权利要求中所定义。