cytidine diphosphate ethanolamine

例句：

1. 1. This compound is a key intermediate in the synthesis of DNA.
   这种化合物是DNA合成的关键中间体。
2. 2.The researcher discovered that this substance could be used to treat cancer.
   研究者发现，这种物质可以用来治疗癌症。
3. 3. Cytidine diphosphate ethanolamine is an important component of the human body's immune system.
   胞嘧啶二磷酸乙醇胺是人类免疫系统的重要成分。