141949-00-0 Azidophenylalanyl-cysteinyl-tyrosyl-tryptophyl-lysyl-threonyl-cysteinyl-threonin-ol EE 581 EE-581 L-Cysteinamide, 4-azido-D-phenylalanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-threonyl-N-(2-hydroxy-1-(hydroxymethyl)propyl)-, cyclic (2-7)-disulfide, (R-(R*,R*))- Phe(N3)-cys-tyr-trp-lys-thr-cys-thr-ol