(8R,13S)-8-((2R,2'R,5R,5'R)-5'-((R)-2,2,15,15,16,16-hexamethyl-5,7,14-trioxa-2,15-disilaheptadecan-8-yl)octahydro-[2,2'-bifuran]-5-yl)-2,2,19,19-tetramethyl-13-pentyl-5,7,14,16-tetraoxa-2,19-disilaicosane

(8R,13R)-8-((S)-1-((tert-butyldimethylsilyl)oxy)pentyl)-13-((2R,2'R,5R,5'R)-5'-((R)-2,2,15,15,16,16-hexamethyl-5,7,14-trioxa-2,15-disilaheptadecan-8-yl)octahydro-[2,2'-bifuran]-5-yl)-2,2,19,19-tetramethyl-5,7,14,16-tetraoxa-2,19-disilaicosane

(S)-3-[(E)-(R)-13-{(2R,5R,2'R,5'R)-5'-[(1R,6S)-1,6-Bis-(2-trimethylsilanyl-ethoxymethoxy)-undecyl]-octahydro-[2,2']bifuranyl-5-yl}-13-(2-trimethylsilanyl-ethoxymethoxy)-tridec-7-en-5-ynyl]-5-methyl-5H-furan-2-one

(5S,6R,11R)-11-((2R,2'R,5R,5'R)-5'-((R)-2,2,15,15,16,16-hexamethyl-5,7,14-trioxa-2,15-disilaheptadecan-8-yl)octahydro-[2,2'-bifuran]-5-yl)-6,11-bis((2-(trimethylsilyl)ethoxy)methoxy)undecan-5-yl 4-methylbenzenesulfonate