 Ethyl triphenylmethyl ether

$\mathrm{P}{\mathrm{h}}_3\mathrm{C}-\mathrm{O}-\mathrm{C}{\mathrm{H}}_2\mathrm{C}{\mathrm{H}}_3$, an ether formed by trapping a triphenylmethyl carbocation with ethanol, followed by deprotonation.