QX 314 CHLORIDE N-(2,6-DIMETHYLPHENYLCARBAMOYLMETHYL)TRIETHYLAMMONIUM CHLORIDE QX314.Cl 2-(2,6-Dimethylphenylamino)-N,N,N-triethyl-2-oxoethanaminium chloride [2-(2,6-dimethylanilino)-2-keto-ethyl]-triethyl-ammonium chloride [2-(2,6-dimethylanilino)-2-oxoethyl]-triethylazanium chloride [2-[(2,6-dimethylphenyl)amino]-2-oxo-ethyl]-triethyl-azanium chloride Lidocaine N-ethyl chloride