138228-38-3 L-Tyrosyl-D-arginyl-L-phenylalanyl-beta-alaninamide Tapa-beta Tyr-arg-phe-beta-ala-NH2 Tyrosyl-arginyl-phenylalanyl-beta-alaninamide beta-Alaninamide, L-tyrosyl-D-arginyl-L-phenylalanyl-