(1S,2E,4E,8R,9S,10E,12E,15R,16S,20S)-8-((2R,3R,4S)-3-((tert-butyldimethylsilyl)oxy)-4-methyl-5-oxohexan-2-yl)-9-methoxy-1,3,13-trimethyl-16-pentyl-20-((triethylsilyl)oxy)-7,17,19-trioxabicyclo[13.4.1]icosa-2,4,10,12-tetraen-6-one

(1S,2E,4E,8R,9S,10E,12E,15R,16S,20S)-8-((2R,3S,4R,5R)-3-((tert-butyldimethylsilyl)oxy)-5-hydroxy-4-methylhexan-2-yl)-9-methoxy-1,3,13-trimethyl-16-pentyl-20-((triethylsilyl)oxy)-7,17,19-trioxabicyclo[13.4.1]icosa-2,4,10,12-tetraen-6-one

8-[2-(tert-butyl-dimethyl-silanyloxy)-1,3-dimethyl-4-triethylsilanyloxy-pentyl]-9-methoxy-1,3,13-trimethyl-16-pentyl-20-triethylsilanyloxy-7,17,19-trioxa-bicyclo[13.4.1]eicosa-2,4,10,12-tetraen-6-one

5-{6-[9-(tert-butyl-dimethyl-silanyloxy)-7-hydroxy-6-methoxy-2,8,10-trimethyl-11-triethylsilanyloxy-dodeca-2,4-dienyl]-4-methyl-7-pentyl-5-triethylsilanyloxy-[1,3]dioxepan-4-yl}-4-methyl-penta-2,4-dienoic acid