phenylalanine or l-phenylalanine, phe, f, amino acid molecule. skeletal formula.

phenylalanine molecule formula chemical skeletal amino aromatic atomic atoms benzyl c9h11no2 carbon chemistry composition compound drawing essential flat food hydrogen icon lphenylalanine line lupine medical medicine molecular nitrogen nutritional oxygen phenylalanin phenylketonuria phenylketonuric pku science structure supplement