(R)-1-((2S,5R)-5-bromo-2,6,6-trimethyltetrahydro-2H-pyran-2-yl)ethane-1,2-diyl dibenzoate

((2S,3R,6R)-6-Benzyloxymethyl-2-bromoethynyl-2-methyl-tetrahydro-pyran-3-yloxy)-triethyl-silane

1-((2S,5R)-5-Bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-3-((2S,3R,6R)-3-hydroxy-6-hydroxymethyl-2-methyl-tetrahydro-pyran-2-yl)-propan-1-one