(5S,6S)-6-((E)-2-{(2R,4R,5R)-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-5-((2R,5Z)-2-hydroxy-6-{(1R,3S)-3-[(4-methoxyphenoxy)methoxy]cyclohexyl}hex-5-en-3-ynyl)-4-[2-(trityloxy)ethyl]-[1,3]dioxolan-4-yl}vinyl)-5-ethyl-5,6-dihydro-2H-pyran-2-one

phenoxy-acetic acid 1-{5-(2-allyloxycarbonylamino-ethyl)-2-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5-[2-(3-ethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-vinyl]-[1,3]dioxolan-4-ylmethyl}-5-[3-(4-methoxy-phenoxymethoxy)-cyclohexyl]-penta-2,4-dienyl ester

phenoxy-acetic acid 1-[3-(2-allyloxycarbonylamino-ethyl)-2-(bis-allyloxy-phosphoryloxy)-5-(3-ethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-3-trimethylsilanyloxy-pent-4-enyl]-5-[3-(4-methoxy-phenoxymethoxy)-cyclohexyl]-penta-2,4-dienyl ester