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单词 paraldehyde
释义 par·aldehyde
\(ˈ)par+\ noun
Etymology: para- (I) + aldehyde
: a colorless liquid of pleasant odor but disagreeable taste that is a cyclic trimer C6H12O3 of acetaldehyde formed by adding a drop or two of sulfuric acid to acetaldehyde, that regenerates acetaldehyde on heating with dilute acids, and that is used chiefly as a source of acetaldehyde and as a hypnotic; trimethyl-trioxane — compare metaldehyde
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更新时间:2024/12/24 3:11:41