英语词汇“pyrazine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pyrazine
释义	pyrazine pyr·a·zine P5746100 (pĭr′ə-zēn′)n.1. A crystalline organic base, C₄H₄N₂, having a six-member aromatic ring in which the first and fourth atoms are nitrogen and the rest are carbon.2. Any of a group of compounds derived from or structurally related to this base. Pyrazines occur in pteridines, some vitamins, and certain dyes such as phenazine. [German Pyrazin, blend of Pyridin, pyridine and az(o)-, azo-.] pyrazine pyrazine (pĭr′ə-zēn′)n.1. A crystalline organic base, C₄H₄N₂, having a six-member aromatic ring in which the first and fourth atoms are nitrogen and the rest are carbon.2. Any of a group of compounds derived from or structurally related to this base. Pyrazines occur in pteridines, some vitamins, and certain dyes such as phenazine.
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pyrazine