trimethylpyridine

例句：

1. 1. This compound is used as a catalyst in the synthesis of organic compounds.
   这种化合物在有机化合物的合成中作为催化剂使用。
2. 2. The molecule contains three methyl groups and one pyridine ring.
   这个分子含有三个甲基和一个吡啶环。
3. 3. Trimethylpyridine has been shown to have antimicrobial properties.
   已经证明三甲基吡啶具有抗菌性质。