Email Post: Crystal structure of 3S,4′S,6′S-2-benzyl-3-[(tert-butyldimethylsiloxy)-( 2′,2′-dimethyl-1,3-dioxolan-4′-yl)-6′-methyl]-4-[2-(trimethylsilyl) ethoxy]-3.6-dihydro-2H-1,2-oxazine, C28H49NO5Si2