for the following products
Fmoc-D-Arg(Pbf)-OH | N-alpha-(9-Fluorenylmethyloxycarbonyl)-N'-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-D-arginine | N-alpha-Fmoc-N'-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-D-arginine | N5-[[[(2,3-Dihydro-2,2,4,6,7-pentamethyl-5-benzofuranyl)sulfonyl]amino]iminomethyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-ornithine and N-alpha-Fmoc-N-g-(2,2,4,6,7-pentamethyl-dihydrobenzofuran-5-sulfonyl)-D-arginine
