2508-79-4 Aldomet Ester hydrochloride EINECS 219-720-3 L-3-(3,4-Dihydroxyphenyl)-2-methylalanine ethyl ester hydrochloride L-Tyrosine, 3-hydroxy-alpha-methyl-, ethyl ester, hydrochloride METHYLDOPATE HYDROCHLORIDE Methyldopa ethyl ester hydrochloride Methyldopa ethyl hydrochloride Methyldopate hydrochloride [USAN]