(S,E)-1-((1R,2R,5R)-2-((Z)-7-((tert-butyldiphenylsilyl)oxy)-7-oxohept-2-en-1-yl)-5-hydroxy-3-oxocyclopentyl)oct-1-en-3-yl 4-(2,2-bis(bis(benzyloxy)phosphoryl)ethyl)benzoate

tetrabenzyl 3-oxo-3-[(2,3-dibenzyloxyphenyl)amino]propane-1,1-bisphosphonate

tetrabenzyl 3-oxo-3-[(3,4-dibenzyloxyphenyl)amino]propane-1,1-bisphosphonate

tetrabenzyl 3-oxo-3-[2-(3,4-dibenzyloxyphenyl)ethylamino]propane-1,1-bisphosphonate

[2-(Bis-benzyloxy-phosphoryl)-oxiranyl]-phosphonic acid dibenzyl ester