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

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

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(R),8(S),10(S),16(S)-tetramethyl-19-trityloxynonadeca-11,17-dien-3(R)-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(R),8(S),10(S),16(S)-tetramethyl-19-trityloxynonadeca-11,17-dien-3-one

(2S,3S,4S,7S,9S,10S)-7,9-bis(tert-butyldimethylsilanyloxy)-3-(4-methoxybenzyloxy)-2,4,10-trimethyl-13-trityloxytrideca-5,11-dien-1-ol

(4S,5R,6S,9S,11S,12S)-9,11-bis(tert-butyldimethylsilanyloxy)-5-(4-methoxybenzyloxy)-4,6,12-trimethyl-15-trityloxypentadeca-7,13-dienoic acid ethyl ester

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