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

acetic acid 5-[6-(3,3-dibromo-allyl)-3,6-dihydro-2H-pyran-2-yl]-4-methyl-2-methylene-pentyl ester

7-{6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-2,6-dimethyl-heptane-2,3-diol

4-{6-[6-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-11-methoxy-2-methyl-13-(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

tert-butyl-{6-methoxy-5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-1-[4-methyl-2-methylene-5-(6-prop-2-ynyl-3,6-dihydro-2H-pyran-2-yl)-pentyl]-octa-2,7-dienyloxy}-dimethyl-silane