F222544 GuanineCLASS: N-heterocyclic / Dicyclic / 5+6-membered / Fully aromatic COMPOUND: 342 KEGG: 48 NCI: 294 ENZYME: 14 (Show enzyme(s)) RELATED: 4 F221640 Xanthosine F222542 Purine F222543 Adenine F222545 Inosine