methyl cyanoacetate

例句：

1. 1.This compound is used in the synthesis of many important chemicals.
   这种化合物在合成许多重要化学物质中被使用。
2. 2. The molecule has a unique structure that makes it useful in various applications.
   这个分子具有独特的结构，使其在各种应用中都有用。
3. 3.Methyl cyanoacetate is a key intermediate in the production of pesticides and herbicides.
   甲基氰乙酸酯是生产杀虫剂和除草剂的关键中间体。