cytidin

例句：

1. 1.This compound is a key intermediate in the synthesis of cyanobutyric acid.
   这种化合物是合成氰基丁二酸的关键中间体。
2. 2. The cyanobutyric acid was used as a solvent in the chemical reaction.
   氰基丁二酸用作化学反应的溶剂。
3. 3.The cyanobutyric acid was found to have antimicrobial properties.
   氰基丁二酸被发现具有抗菌性质。