It is a heterocyclic compound, containing a pyridine ring; its chemical formula is C10H14N. Nicotine is the chief addictive ingredient (see drug addiction) in cigarettes and cigars and in snuff.
尼古丁为杂环化合物，含啶环，化学式为C10H14N，是纸烟、雪茄和鼻烟中的主要上瘾成分。
The producer of the suspect formula, the Sanlu Group, recalled 700 tons of its formula after determining on Thursday that it had been contaminated with melamine, an industrial chemical.
嫌疑奶粉的生产商——三鹿集团，在周四宣布其奶粉成分被一种工业化学物质三聚氰胺污染后，已经取消了700吨的订货。
Due to some reasons each compound name is not always accompanied by its chemical structure formula in the abstracts collected by chemistry database.
由于种种原因，在化学数据库所收集的文摘里，每种化合物名称并不一定附有它的化学结构式。
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