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单词
cupreine
释义
cu·pre·ine
\ˈk(y)üprēˌēn, -ēə̇n\
noun
(
-s
)
Etymology:
cuprea (bark) + -ine
:
a crystalline alkaloid C
19
H
22
N
2
O
2
that occurs in cuprea bark and cinchona bark closely related to quinine
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更新时间:2025/11/13 22:04:27