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Amino acids, amino acid, l-leucine, l-leucin, l-tyrosine, l-tyrosin, l-cystine, l-cystin, l-cysteine hcl monohydrate, l-cysteine hydrochloride monohydrate, l-arginine hcl, l-arginine base, l-arginnine, l-histidine hcl.
