(3aS,4R,6S,6aR)-2,2-dimethyl-6-((methylsulfonyl)methyl)tetrahydro-4H-cyclopenta[d][1,3]dioxol-4-amine

2-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)isoindoline-1,3-dione

2-((3aS,4R,6R,6aR)-6-((R)-1-hydroxyethyl)-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)isoindoline-1,3-dione