Acetic acid (2R,3R,3aR,7aR)-2-(6-amino-purin-9-yl)-5-methoxy-5-oxo-octahydro-1-oxa-5λ5-phospha-inden-3-yl ester

methyl-2-C-benzyloxy-3-deoxy-3-C-benzyloxymethyl-5-methylene-ribo-hexofuranoside

3-benzyloxy-4-benzyloxymethyl-5-vinyl-dihydro-furan-2-one

(1S,2R,3S)-2-vinyl-3-(benzyloxymethyl)cyclobutanol