Naphazoline
Napthazoline (in the hydrochloride form) is the common name for 2-(1-Naphthylmethyl)-2-imidazoline hydrochloride, an α-adrenergic agonist that functions as a decongestant and vasoconstrictor. It commonly used in over-the-counter and prescription eye drops, to eliminate redness and inflammation.
It has the molecular formula C14H14N2.HCl and a molecular weight of 246.73.