Synonyms: Nα-Fmoc-Nω-Pbf-L-arginine, Nα-Fmoc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-L-arginine, Nɑ-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine, Nα-Fmoc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulphonyl)-L-arginine, Nɑ-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulphonyl)-L-arginine