(+-)-3-(3,4-Dihydroxyphenyl)alanine (+-)-Dopa (R,S)-Dopa 3-(3,4-Dihydroxyphenyl)-DL-alanine 3-Hydroxy-DL-tyrosine 63-84-3 AI3-23874 ALANINE, 3-(3,4-DIHYDROXYPHENYL)-, DL- DL-3,4-Dopa DL-Dihydroxyphenylalanine DL-Dioxyphenylalanine DL-Tyrosine, 3-hydroxy- (9CI) DL-beta-(3,4-Dihydroxyphenyl)alanine Dopa EINECS 200-566-0 NSC 16940