benzyl benzyl((3aR,4R,7S,7aS)-7-hydroxy-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxol-4-yl)carbamate

tert-butyl (3aR,4R,7S,7aS)-7-hydroxy-2,2-dimethyl-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxol-4-yl carbamate