(4S,5S)-5-(formylamino)-2,2-dimethyl-4-(4-nitrophenyl)-1,3-dioxane

3-O-(4,4'-dimethoxytrityl)-2(R)-[N-(thymin-1-ylacetyl)amino]-1(R)-p-nitrophenyl-1,3-propanediol

3-O-(4,4'-dimethoxytrityl)-2(R)-[N-(thymin-1-ylacetyl)amino]-1(S)-p-nitrophenyl-1,3-propanediol

[(1S,2S)-1-(Dimethoxy-phosphoryloxymethyl)-2-hydroxy-2-(4-nitro-phenyl)-ethyl]-carbamic acid tert-butyl ester

(1S,2S)-1-[4-((Ξ)-benzylidenamino)-phenyl]-2-dibenzylamino-propane-1,3-diol