C8H9NO3
# C8H9NO3

The molecular formula $C_8H_9NO_3$ (molar mass: 167.16 g/mol) may refer to:

* Glycin, a photographic developing agent
* 4-Hydroxyphenylglycine, an amino acid
* Orthocaine, an anesthetic
* Pyridoxal, one of the three natural forms of vitamin $B_6$
