| 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. |