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Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

巴豆溴氢加成,乙二醇缩到3-溴代丁缩乙二醇,收率80.8%。

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Ecclesiasticus, ecclesio-, ecclesiolater, ecclesiolatry, ecclesiology, ecclisis, ECCM, ECCO, eccope, eccoprotic,

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3G, 401(K), a,

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For instance, partial charges occur in hydrogen bromide because the electrons are more attracted to the bromide than they are to the hydrogen.

例如，部出现在溴化中，因为子被溴化物吸引， 而不是被吸引。

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eccyclomastoma, eccyclomastopathy, eccyesis, eccyliosis, ECD, ECDB, ecdemic, ecdemite, ecdemonosus, ecderon,

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3G, 401(K), a,
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