1-(tert-butyl-diphenyl-silanyloxy)-5-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-yl)-pent-3-yn-2-one

1-(tert-butyl-diphenyl-silanyloxy)-5-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-yl)-pent-3-yn-2-ol

tert-butyl-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-ylmethoxy)-dimethyl-silane

acetic acid 3-acetoxy-6-(2,3-dihydroxy-propyl)-3,6-dihydro-2H-pyran-2-ylmethyl ester

acetic acid 2-acetoxymethyl-6-[1,3]dioxolan-2-ylmethyl-3,6-dihydro-2H-pyran-3-yl ester