Purines include two of the bases in DNA and RNA.

Purine

A purine is a heterocyclic aromatic organic compound. It is a pyrimidine ring fused to an imidazole ring. Purines are the most widely occurring nitrogen-containing heterocycles in nature.

嘌呤 包括 DNA 和 RNA中的 两个 碱基。

嘌呤 是 杂环芳香族 有机化合物。它是 与 咪唑环 稠合的 嘧啶环。嘌呤 是 自然界中 最广泛 存在的 含氮杂环。