• 说出来吓你,死尸会释放出二氯甲烷等一系列奇怪化学物质。然而也正是这些物质帮助科学家找到各种隐秘墓穴

    Dead bodies emit a surprising array of chemicals, from benzene to freon, which can help forensic scientists find clandestine graves.

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  • 2,4-羟基甲酸甲酯为原料经过反应水解反应羧反应合成2,4-二氯酚。

    The compound 2,4-dichlororesorcinol was obtained from the starting material 2,4-dihydroxybenzoate via chlorinated reaction, hydrolysis and decarboxylation.

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  • 邻甲氧基*原料四步反应合成6-(2-甲氧氧基)-1,4-氢-4-氧-3-喹啉羧酸。经抗鸡球虫实验证明具有抗球虫效果。

    The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.

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  • 邻甲氧基*原料四步反应合成6-(2-甲氧氧基)-1,4-氢-4-氧-3-喹啉羧酸。经抗鸡球虫实验证明具有抗球虫效果。

    The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.

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