129219-63-2 L-Phenylalaninamide, N-(3-carboxy-1-oxopropyl)-L-phenylalanyl-L-leucyl-N-(methoxynaphthalenyl)- N-(3-Carboxy-1-oxopropyl)-L-phenylalanyl-L-leucyl-N-(methoxynaphthalenyl)-L-phenylalaninamide Splpmna Suc-phe-leu-phe-mna Succinyl-phenylalanyl-leucyl-phenylalanine-4-methoxynaphthylamide