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单词
pyrazole
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pyr•a•zole
(pir
′
ə zōl′, -zôl′),
USA pronunciation
n.
[
Chem.
]
Chemistry
any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring.
Chemistry
the parent compound, C
3
H
4
N
2
.
pyr
- +
azole
1885–90
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更新时间:2025/11/15 15:27:42