benzyl (3-((3aR,4S,6aS)-4-(((S)-3-(3-bromophenoxy)-2-(hydroxymethyl)propyl)carbamoyl)-2,2-dimethyltetrahydro-5H-[1,3]dioxolo[4,5-c]pyrrol-5-yl)-3-oxopropyl)carbamate

methyl (R)-3-(3-bromophenoxy)-2-(((3aR,4S,6aS)-5-(2-methoxyacetyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyrrole-4-carboxamido)methyl)propanoate