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单词 methylethylpyridine
释义 methylethylpyridine
\| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
Etymology: methyl + ethyl + pyridine
: a liquid base C5H3N(CH3)(C2H5) that has a penetrating odor, is usually made by catalytic reaction of paraldehyde with ammonia, and is used chiefly in organic synthesis (as of nicotinic acid) — called also aldehyde collidine, aldehydine, collidine, 2-methyl-5-ethylpyridine
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更新时间:2024/9/22 1:50:23