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C
5
H
4
N
4
O
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The
molecular formula
C
5
H
4
N
4
O
(molar mass: 136.11 g/mol, exact mass: 136.0385 u) may refer to:
Allopurinol
1-Hydroxy-7-azabenzotriazole
(HOAt)
Hypoxanthine
This
set index
page lists chemical structure articles associated with the
same
molecular formula
.
If an
internal link
led you here, you may wish to change the link to point directly to the intended article.