(4R,5S,6S,7R)-4,7-Dibenzyl-1,3-bis-(3-nitro-benzyl)-5,6-bis-(2-trimethylsilanyl-ethoxymethoxy)-[1,3]diazepan-2-ylidene-cyanamide

(4R,5S,6S,7R)-4,7-Dibenzyl-1,3-bis-(4-benzyloxy-benzyl)-5,6-bis-(2-trimethylsilanyl-ethoxymethoxy)-[1,3]diazepan-2-ylidene-cyanamide

(4R,5S,6S,7R)-4,7-dibenzyl-5,6-dihydroxy-1,3-diazepan-2-one

(4α,5α,6β,7β)-hexahydro-5,6-(1-methylethylidene)bisoxy-2-phenoxy-4,7-bisbenzyl-1H-1,3,2-diazaphosphepine-2-oxide

1,3-Bis(butyl)-5,6-dihydroxy-(4α,5α,6β,7β)-hexahydro2-phenoxy-4,7-bis(phenylmethyl)-1H-1,3,2-diazaphosphepine 2-oxide