N-Substituted-N′-substituted urea derivatives represented by the following formula, analogs thereof or pharmaceutically acceptable salts thereof are herein provided. These compounds show a TNF-&agr; production inhibitory activity.
1
                            本文提供了以下式子所代表的N-取代的N'-取代
脲衍
生物、类似物或其药学上可接受的盐。这些化合物表现出TNF-α生产抑制活性。1