| 单词 | quinoline | 
| 释义 | Word Frequency quinoline(ˈkwɪnəˌliːn, -lɪn) noun 1.  an oily colourless insoluble basic heterocyclic compound synthesized by heating aniline, nitrobenzene, glycerol, and sulphuric acid: used as a food preservative and in the manufacture of dyes and antiseptics. Formula: C9H7N 2.  any substituted derivative of quinoline  | 
	
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