2-(4-bromomethyl-pent-4-enyl)-3-methoxy-6-prop-2-ynyl-3,6-dihydro-2H-pyran

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

4-{6-[6,11-bis-(tert-butyl-dimethyl-silanyloxy)-10-(4-methoxy-benzyloxy)-13-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-trideca-7,12-dienyl]-5-methoxy-5,6-dihydro-2H-pyran-2-yl}-but-2-ynoic acid

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

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