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Glycinamide hydrochloride Boc-D-Glutamine L-Alanyl-L-Glutamine L-Glutamine L-Alanine methyl ester hydrochloride 4-Chlorobutyryl chloride H-ALA-PHE-OH L-Alanyl-L-proline L-Alanine benzyl ester 4-toluenesulfonate (2R)-2-Aminopropanamide hydrochloride