N-Benzoyl-N'-[2-(5-oxy-4-phenyl-furazan-3-yloxy)-ethyl]-N''-[3-(1-trityl-1H-imidazol-4-yl)-propyl]-guanidine

N-Benzoyl-N'-[3-(5-oxy-4-phenyl-furazan-3-yloxy)-propyl]-N''-[3-(1-trityl-1H-imidazol-4-yl)-propyl]-guanidine

N-[3-(4-Benzenesulfonyl-furazan-3-yloxy)-propyl]-N'-benzoyl-N''-[3-(1-trityl-1H-imidazol-4-yl)-propyl]-guanidine

1-Benzoyl-2-phenyl-3-[3-(1-trityl-1H-imidazol-4-yl)-propyl]-isourea

N-Benzoyl-N'-(2-hydroxy-ethyl)-N''-[3-(1-trityl-1H-imidazol-4-yl)-propyl]-guanidine