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L-Tryptophan,L-tryptophyl-L-threonylglycyl-L-arginyl-L-histidyl-L-phenylalanylglycyl-L-prolyl-L-seryl-L-alanyl-L-alanylglycyl-L-alanyl-L-seryl-L-prolyl-L-leucyl-L-arginyl-L-prolyl-L-tryptophyl-L-gluta related products: