(.+-.)-3,4-Dihydroxyphenylalanine (.+-.)-3-(3,4-Dihydroxyphenyl)alanine (.+-.)-Dopa .beta.-(3,4-Dihydroxyphenyl)-DL-.alpha.-alanine 3',4'-Dihydroxyphenylalanine 3,4-Dihydroxy-DL-phenylalanine 3-(3,4-Dihydroxyphenyl)-DL-alanine 63-84-3 Alanine, 3-(3,4-dihydroxyphenyl)-, DL- DIHYDROXYPHENYLALANINE DL-.beta.-(3,4-Dihydroxyphenyl)alanine DL-3,4-DOPA DL-DOPA DL-Dihydroxyphenylalanine DL-Dioxyphenylalanine DL-Tyrosine, 3-hydroxy- NSC16940 WLN: QVYZ1R CQ DQ