"0"^^ . . "dihydroxyphenylalanine"@en-us . . . . . "14604959-n"^^ . . . . "dopa"^^ . "0"^^ . "amino acid that is formed in the liver and converted into dopamine in the brain"@en-us . "113768657"@en-us . . . "dopa"@en-us . "114604959"^^ .