N-(2-Amino-ethyl)-2-[4-(1,1-dimethylethyl)-3-hydroxy-2,6-dimethylphenyl]acetamide Hydrochloride;|N-(2-aminoethyl)-2-(4-(tert-butyl)-3-hydroxy-2,6-dimethylphenyl)acetamide hydrochloride|N-(2-Aminoethyl)-2-[4-(1,1-dimethylethyl)-3-hydroxy-2,6-dimethylphenyhyl 4-tert-Butyl-2,6-dimethyl-3-hydroxyphenloride;|Oxymetazoline BP Impurity A ; Oxymetazoline USP RC A ; N-(2-Aminoethyl)-2-[4-(1,1-dimethylethyl)-3-hydroxy-2,6-dimethylphenyl]acetamide ;