The nitrogenous bases are derivatives of two parent compounds, pyrimidine and purine.
核苷的含氮碱基来自两种复合物，嘧啶和嘌呤。
We found that these esters would undergo hydrolysis under the conditions similar to physiological status to produce the parent compounds and the related acids.
发现这些酯在拟生理条件下均发生水解，生成母体化合物和相应的酸。
One of the most remarkable character of these materials is that the parent compounds have a structure transition and a antiferromagnetic transition at low temperatures.
这些材料的一个显著特点是，在低温时，母体化合物会发生结构相变和反铁磁相变。
Benzene (1825) Simplest aromatic hydrocarbon, parent substance of a large class of chemical compounds.
苯(1825)：最简单的芳香烃，是一大类化合物的母体。
Benzene (1825) Simplest aromatic hydrocarbon (see aromatic compound), parent substance of a large class of chemical compounds.
苯(1825)：最简单的芳香烃，是一大类化合物的母体。
Benzene (1825) Simplest aromatic hydrocarbon (see aromatic compound), parent substance of a large class of chemical compounds.
苯(1825)：最简单的芳香烃，是一大类化合物的母体。
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