2-(tert-butyl-dimethyl-silanyloxymethyl)-6-[1,3]dioxolan-2-ylmethyl-3,6-dihydro-2H-pyran-3-ol

6-hydroxy-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienoic acid methyl ester

(2E,7E)-(S)-5-(4-Methoxy-benzyloxy)-8-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienoic acid methyl ester

6-hydroxy-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-octa-2,7-dienoic acid methyl ester

{6-[4-(tert-butyl-diphenyl-silanyloxymethyl)-pent-4-enyl]-5-methoxy-5,6-dihydro-2H-pyran-2-yl}-acetaldehyde