Acetic acid (E)-(S)-1-[(2R,5R)-5-(1-acetoxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-4-[(2R,4aR,6R,8aS)-6-((2S,5R)-5-bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-8a-methyl-octahydro-pyrano[3,2-b]pyran-2-yl]-4-oxo-but-2-enyl ester

Acetic acid (E)-(S)-1-[(2R,5R)-5-(1-acetoxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-4-[(2R,4aR,6R,8aS)-6-((2S,5R)-5-bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-8a-methyl-octahydro-pyrano[3,2-b]pyran-2-yl]-4-hydroxy-but-2-enyl ester

(R)-1-((2S,5R)-5-Bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-ethane-1,2-diol