The bright offer of this Hair: formula Qi Fitness of (I) compound , is used as the inhibition Elixirs of PHD; The Drug Wu Group of the compound closes object; The method of the sick Like of Zhi Treatment With HIF Xiang Off; The method of compound and Qi Zhong Inter Body described in Yong Yu System Prepare.本發明提供:式(I)化合物,其適用作PHD的抑制劑;所述化合物的藥物組合物;治療與HIF相關的病狀的方法;用於製備所述化合物和其中間體的方法。