phenylketonuric |
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| navigate by keyword : phenylalanine phe amino acid molecule phenylalanin aromatic lphenylalanine benzyl nutritional food supplement lupine phenylketonuria pku phenylketonuric nitrogen oxygen atoms atomic model molecular compound composition chemical chemistry bond structure formula blackboard chalkboard chalk written writing drawing background ring line skeletal flat icon stylized style illustration |
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| Phenylalanine l-phenylalanine, Phe, F amino acid molecule. Chalk on blackboard style illustration |
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