83903-26-8 Fnlrf amide L-Phenylalaninamide, L-phenylalanyl-L-norleucyl-L-arginyl-, (2S-(1(R*(R*)),2alpha,3abeta,7abeta))- Phe-nle-arg-phe-NH2 Phenylalanyl-norleucyl-arginyl-phenylalaninamide