Acetic acid (1S,4R)-4-[(2S,5R)-5-((S)-1-hydroxy-1,5-dimethyl-hex-4-enyl)-2-methyl-tetrahydro-furan-2-yl]-1-[(2R,5R)-5-((S)-1-hydroxy-1,5-dimethyl-hex-4-enyl)-2-methyl-tetrahydro-furan-2-yl]-4-(4-methoxy-benzyloxy)-butyl ester

(R)-4-[(2S,5R)-5-((S)-1,5-Dimethyl-1-trimethylsilanyloxy-hex-4-enyl)-2-methyl-tetrahydro-furan-2-yl]-1-[(2R,5R)-5-((S)-1,5-dimethyl-1-trimethylsilanyloxy-hex-4-enyl)-2-methyl-tetrahydro-furan-2-yl]-4-(4-methoxy-benzyloxy)-butan-1-one