(4S,5S)-5-(azidomethyl)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde

(3aR,4S,6aS)-N-benzyl-2,2-dimethyl-5-propionyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-4-carboxamide

(3aR,4S,6aS)-5-benzoyl-N-(tert-butyl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-4-carboxamide

(3aR,4S,6aS)-N-((R)-3-(3-bromophenoxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)propyl)-5-(2-methoxyacetyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyrrole-4-carboxamide

(3aR,4S,6aS)-N-((S)-3-(3-bromophenoxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)propyl)-5-(2-methoxyacetyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyrrole-4-carboxamide