purine

/pyoor-een, -in/US // ˈpyʊər in, -ɪn //UK // (ˈpjʊəriːn) //

嘌呤,嘌呤类,嘌呤类物质,紫苏

Definitions

n.名词 noun

1
Chemistry, Biochemistry.
- : a white, crystalline compound, C5H4N4, from which is derived a group of compounds including uric acid, xanthine, and caffeine.
- : one of several purine derivatives, especially the bases adenine and guanine, which are fundamental constituents of nucleic acids.