F222542 PurineCLASS: N-heterocyclic / Dicyclic / 5+6-membered / Fully aromatic COMPOUND: 6744 KEGG: 451 NCI: 6293 ENZYME: 38 (Show enzyme(s)) RELATED: 4 F221640 Xanthosine F222543 Adenine F222544 Guanine F222545 Inosine