4-{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-10,11-Dihydroxy-6-methoxymethoxy-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-ynoic acid methyl ester

4-{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-10,11-Dihydroxy-6-methoxymethoxy-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-ynoic acid

(7E,12E)-(2S,6S,10S,11S)-10,11-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-1-((2R,6R)-6-vinyl-3,6-dihydro-2H-pyran-2-yl)-trideca-7,12-dien-6-ol

{(2R,6R)-6-[(7E,12E)-(2S,6S,10S,11S)-10,11-Bis-(tert-butyl-dimethyl-silanyloxy)-6-methoxymethoxy-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-acetaldehyde

(5S,9S,10S,E)-9-((tert-butyldimethylsilyl)oxy)-12,12,13,13-tetramethyl-5-((S)-4-methyl-2-methylene-5-((2R,6R)-6-(prop-2-yn-1-yl)-3,6-dihydro-2H-pyran-2-yl)pentyl)-10-((E)-2-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)vinyl)-2,4,11-trioxa-12-silatetradec-6-ene