Fmoc-L-Arg(Pbf)-OH; (S)-2-((((9H-Fluoren-9-Yl)Methoxy)Carbonyl)Amino)-5-(3-((2,2,4,6,7-Pentamethyl-2,3-Dihydrobenzofuran-5-Yl)Sulfonyl)Guanidino)Pentanoic Acid; Nalpha-Fmoc-Nomega-Pbf-L-Arginine