Acetic acid (2S,4R)-5-(tert-butyl-dimethyl-silanyloxy)-5-(4-methoxy-5-methylene-2-oxo-2,5-dihydro-furan-3-yl)-2,4-dimethyl-pentyl ester

Acetic acid (2S,4R)-5-(4-methoxy-benzyloxy)-5-(4-methoxy-5-methylene-2-oxo-2,5-dihydro-furan-3-yl)-2,4-dimethyl-pentyl ester

3-[(6E,8E,10E)-(2R,4S)-1-(tert-Butyl-dimethyl-silanyloxy)-5-hydroxy-2,4-dimethyl-dodeca-6,8,10-trienyl]-4-methoxy-5-methylene-5H-furan-2-one

4-Methoxy-3-[(6E,8E,10E)-(2R,4S)-1-(4-methoxy-benzyloxy)-2,4-dimethyl-5-oxo-dodeca-6,8,10-trienyl]-5-methylene-5H-furan-2-one

3-[(6E,8E,10E)-(2R,4S)-5-Hydroxy-1-(4-methoxy-benzyloxy)-2,4-dimethyl-dodeca-6,8,10-trienyl]-4-methoxy-5-methylene-5H-furan-2-one