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单词
diketene
释义
di·ketene
\(ˈ)dī+\
noun
Etymology:
di- + ketene
:
an unsaturated pungent liquid lactone C
4
H
4
O
2
made by spontaneous dimerization of ketene in solution and used chiefly in making derivatives of acetoacetic acid
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更新时间:2026/2/27 23:32:50