18181-08-3 ALANINE, 3-(3,4-DIHYDROXYPHENYL)-2-METHYL-, METHYL ESTER, L- BRN 2649505 L-3-(3,4-Dihydroxyphenyl)-2-methylalanine methyl ester L-Tyrosine, 3-hydroxy-alpha-methyl-, methyl ester (9CI) alpha-Methyldopa methyl ester