英文同义词
(R,S)-N-Acetyl-3,4-dimethoxy phenylalanine;N-ACETYL-3-(3,4-DIMETHOXYPHENYL)-DL-ALANINE;Levodopa Impurity 15;Levodopa Impurity 3;Tyrosine, N-acetyl-3-methoxy-O-methyl-;N-Acetyl-3,4-dimethoxy-DL-phenylalanine;2-Acetamido-3-(3,4-dimethoxyphenyl)propanoic acid