4-(2-Aminoethyl)-2-methoxyphenol Hydrochloride; 4-(2-Aminoethyl)guaiacol Hydrochloride; 2-Methoxytyramine Hydrochloride; 3-Methoxy-4-hydroxy-phenethylamine Hydrochloride; 3-O-Methyldopamine Hydrochloride; 4-(2-Aminoethyl)-2-methoxyphenol Hydrochloride; 4-Hydroxy-3-methoxy-?-phenethylamine Hydrochloride; 4-Hydroxy-3-methoxyphenethylamine Hydrochloride; USP Dopamine Related Compound B