(2R,3S)-3-benzyloxy-2-methoxy-tetrahydropyran

benzyl (2-benzyloxy-5-hydroxy-1-oxiranylmethylpentyl)carbamate

benzyl {2-benzyloxy-5-hydroxy-1-[2-hydroxy-3-(4-oxo-4H-quinazolin-3-yl)propyl]-pentyl}carbamate

benzyl (R)-2-allyl-3-oxopiperidine-1-carboxylate

(S)-2-(benzyloxy)-5-(tert-butyldimethylsiloxy)pentanal