[bicyclic ring structure consisting of fused imidazole and pyrimidine rings, with nitrogen atoms at the 1,3,7, and 9 positions; the basic structure of adenine, guanine, and other biologically important bases. ( CSP )]
UMLS (CSP) C0034140 Relation/PAR: 2-Ring Heterocyclic Compound
nitrogenous heterocyclic compound
Relation/CHD: 2-Aminopurine
methylpurine
oxypurine
1,7-Dihydro-6H-purine-6-thione
1H-Purin-6-amine
1,5-Dihydro-4H-pyrazolo[3,4-d]pryimidin-4-one
Purinones
2-Amino 6MP