It is also the parent substance of a large class of dyes and pigments.
它也是大量染料和色素的原始材料。
Aniline: One of the most important organic bases, parent substance for many dyes and drugs.
苯胺：一种重要的有机碱，是制造染料、药物的主要物质。
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。
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