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单词
pyrazine
释义
pyr·azine
\ˈpirəˌzēn, -_zə̇n\
noun
Etymology:
International Scientific Vocabulary
pyr- + azine
:
a crystalline feeble heterocyclic base C
4
H
4
N
2
obtained usually by distilling piperazine with zinc dust
— called also
paradiazine
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更新时间:2026/9/2 14:12:37