149997-79-5 Gly-asn-phe-phe-arg-phe-NH2 Glycyl-asparaginyl-phenylalanyl-phenylalanyl-arginyl-phenylalaninamide Gnffrfamide L-Phenylalaninamide, glycyl-L-asparaginyl-L-phenyalanyl-L-phenyalanyl-L-arginyl-