(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

13(S),15(S)-bis(tert-butyldimethylsilanyloxy)-2(S)-[2(S)-(4-methoxyphenyl)-5(S)-methyl[1,3]dioxan-4(S)-yl]-9(R)-(4-methoxybenzyloxy)-6(S),8(S),10(S),16(S)-tetramethyl-19-trityloxynonadeca-4,11,17-trien-3-one

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-dienoic acid ethyl ester

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