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Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.

KL升华80%,右旋炔戊菊酯2-3%,1- 3%。

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The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金催化下通过炔基和基反应,形成N-基取代的杂环化合物。

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济学人 Science and technology

In essence, the azide and the alkyne are like the two halves of a snap-together buckle.

从本质上讲,叠氮化物和炔烃就像个扣的两半。

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济学人 Science and technology

Her solution, which she published in 2004, was to include the alkyne half of the buckle in a molecule that would put it under strain and thus make it more reactive.

2004 发表的解决方案是将带扣的炔烃半包含个分子中,使其处应变状态,从而使其更具反应性。

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