for the following products
N-alpha-Benzyloxycarbonyl-N'-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-D-arginine cyclohexylamine | Z-D-Arg(Pbf)-OH . CHA | Z-D-Arg(Pbf)-OH x CHA | Z-D-Arg(Pbf)-OH.CHA and N5-[[[(2,3-Dihydro-2,2,4,6,7-pentamethyl-5-benzofuranyl)sulfonyl]amino]iminomethyl]-N2-[(phenylmethoxy)carbonyl]-D-ornithine cyclohexylammonium salt
