tert-butyl ((3aR,4S,5R,6aS)-4-hydroxy-2,2-dimethyl-6-methylenetetrahydro-4H-cyclopenta[d][1,3]dioxol-5-yl)carbamate

tert-butyl ((3aR,4S,5R,6R,6aS)-4-hydroxy-6-(hydroxymethyl)-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-5-yl)carbamate