Entry ID    : bmse000454
Chem. Comp. : purine
Formula     : C5 H4 N4
Formula Wt. : 120.1121
InChi Code  : InChI=1S/C5H4N4/c1-4-5(8-2-6-1)9-3-7-4/h1-3H,(H,6,7,8,9)
is Aromatic :