Acetic acid (2S,3R)-2-[(Z)-2-((4aR,8aS)-2-methoxy-3-oxo-octahydro-pyrano[3,2-b]pyran-2-yl)-vinyl]-tetrahydro-pyran-3-yl ester

(2'R,3'S,2S)-1-[3'-(tert-butyldimethylsiloxy)tetrahydropyran-2'-yl]but-3-en-2-ol

(2'R,3'S)-4-[3'-(tert-butyldimethylsiloxy)tetrahydropyran-2'-yl]-2-buten-1-ol

(2S,3S,2''R,3''S)-{3-[3''-(tert-butyldimethylsiloxy)tetrahydropyran-2''-yl-methyl]-oxiran-2-yl}-methanol

Acetic acid (2S,3R)-2-[(Z)-2-((3S,4aR,8aS)-3-hydroxy-2-methoxy-octahydro-pyrano[3,2-b]pyran-2-yl)-vinyl]-tetrahydro-pyran-3-yl ester