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

[3-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-yl)-prop-1-ynyl]-trimethyl-silane

2-(tert-butyl-dimethyl-silanyloxymethyl)-6-[1,3]dioxolan-2-ylmethyl-3,6-dihydro-2H-pyran-3-ol