5-(3-methoxy-6-prop-2-ynyl-3,6-dihydro-2H-pyran-2-yl)-2-methylene-pentan-1-ol

tert-butyl-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-ylmethoxy)-dimethyl-silane

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

1-(tert-butyl-diphenyl-silanyloxy)-5-(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-yl)-pentan-2-one