4-Imidazolidinone, 3-phenyl-5-(phenylmethyl)-2-thioxo-
Hydantoin, 5-benzyl-3-phenyl-2-thio-
3-Phenyl-5-(phenylmethyl)-2-thioxo-4-imidazolidinone
Phenylalanine phenylthiohydantoin
Phenylalanine 3-phenyl-2-thiohydantoin
Phenylalanyl phenylthiohydantoin
Phenylthiohydantoin DL-phenylalanine