以下为句子列表：
英文: It is to be understood that when in this Specification we speak of a dialkyl carbonate and similarly of a dialkyl phenylmalnate, that term does not imply that the two alkyl groups are necessarily the same.
中文: 有一点要理解：在说明中我们提到二烷基碳酸酯，相似的我们还提到了二烷基苯基丙二酸酯，这两个术语并不是暗示这两个烷基官能团必须是一样的。
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英文: The use of such “mixed” dialkyl carbonates may give rise not only to similar “mixed” malonates, e.g. the corresponding methyl ethyl phenylmalnate, but also to mixtures of simple malonates.
中文: 因此使用这种混合二烷基碳酸酯不仅可能得到相似的丙二酸酯，例如相对应的甲基乙基苯基丙二酸酯，而且可能得到简单丙二酸酯的混合物。
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英文: This invention relates to the manufacture of phenyl and phenyl ethyl malonic esters and more particularly to the manufacture of dialkyl phenylmalonates and compounds are useful as intermediates in the manufacture of medicinals.
中文: 本发明和苯基苯乙基丙二酸酯的生产有关，尤其是和二烷基苯基丙二酸酯的生产有关，它们在生产药品的过程作为中间体非常有用。
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英文: Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.
中文: 因此术语二烷基碳酸酯包括，例如甲基乙基碳酸酯。
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