Synonyms: 1,4-Cyclohexadiene-1-propanoicacid, a-amino-, (S)-;1,4-Cyclohexadiene-1-propionic acid, a-amino-, L- (8CI); 2,5-Dihydro-L-phenylalanine;3-(1,4-Cyclohexadienyl)-L-alanine; Antibiotic U 51738;L-1,4-Cyclohexadiene-1-alanine; L-2,5-Dihydrophenylalanine