An aromatic organic base, C9H7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics and dyes.
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- 喹啉,氮(杂)萘一种芳香的有机碱,C9H7N,有一种刺鼻的类似焦油的气味,从煤油中提取或人工合成,用作食品防腐剂,并用在制造防腐剂和染料中