2-(Carb­oxy­meth­yl)imidazo[1,2-a]pyridin-1-ium chloride

In the crystal structure of the title salt, C₉H₉N₂O₂⁺·Cl⁻, the cations and anions are linked into chains parallel to [021] by O—H...Cl and N—H...Cl hydrogen bonds.