a crystalline base (...) composed of a pyrimidine ring fused with an imidazole ring (...), a heterocyclic compound with a fused pyrimidine/imidazole ring. Planar and aromatic in character. The parent compound for the purine bases of nucleic acids., kahe aromaatse tuumaga orgaaniline alus, mh. nukleiinhapetes esineva adeniini ja guaniini struktuurne osa
a crystalline base (...) composed of a pyrimidine ring fused with an imidazole ring (...), a heterocyclic compound with a fused pyrimidine/imidazole ring. Planar and aromatic in character. The parent compound for the purine bases of nucleic acids., kahe aromaatse tuumaga orgaaniline alus, mh. nukleiinhapetes esineva adeniini ja guaniini struktuurne osa
purine . EKI terminibaas Esterm. Eesti Keele Instituut, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/purine/1/eng (19.06.2026)