5(S),7(S)-bis(tert-butyldimethylsilanyloxy)-10(S)-[2(R)-(4-methoxyphenyl)-5(S)-methyl[1,3]dioxan-4(S)-yl]-4(S)-methylundeca-2,8-dien-1-ol

4(S)-[4(S),6(S)-bis(tert-butyldimethylsilanyloxy)-1(S),7(S)-dimethyl-10-trityloxydeca-2,8-dienyl]-2(R)-(4-methoxyphenyl)-5(S)-methyl[1,3]dioxane

4(S)-benzyl-3-[9(S),11(S)-bis(tert-butyldimethylsilanyloxy)-5(R)-(4-methoxybenzyloxy)-4(S),6(S),12(S)-trimethyl-15-trityloxypentadeca-7,13-dienoyl]oxazolidin-2-one

4(S)-benzyl-3-[9(S),11(S)-bis(tert-butyldimethylsilanyloxy)-5(R)-(4-methoxybenzyloxy)-2(S),4(S),6(S),12(S)-tetramethyl-15-trityloxy-pentadeca-7,13-dienoyl]oxazolidin-2-one

(2S,4S,5R,6S,9S,11S,12S)-9,11-bis(tert-butyldimethylsilanyloxy)-5-(4-methoxybenzyloxy)-2,4,6,12-tetramethyl-15-trityloxypentadeca-7,13-dien-1-ol