2 sentences

1. 烟草中含有尼古丁。

   yān​cǎo zhōng hán​yǒu ní​gǔ​dīng.

   Tobacco contains nicotine.

   Source: Dong Chinese Dictionary

2. 受到攻击的叶片会产生尼古丁。

   shòu​dào gōng​jī de yè​piàn huì chǎn​shēng ní​gǔ​dīng.

   The leaves under attack produce nicotine.

   Source: OpenSubtitles