C8H11NO3

The molecular formula C₈H₁₁NO₃ (molar mass: 169.17 g/mol, exact mass: 169.073893 u) may refer to:

• Norepinephrine, or noradrenaline
• Oxidopamine, a dopamine derivative
• Pyridoxine

1. Oxidopamine
2. Pyridoxine
3. Norepinephrine
4. Norepinephrine (medication)
5. Metadoxine