(2E,7E,5S,6S)-5-(tert-butyldiphenylsilanyloxy)-6-methoxymethoxy-8-[(2S)-4-methyl-3,6-dihydro-2H-pyran-2-yl]-octa-2,7-dienal

(6S)-6-(4-methoxybenzyloxy)-4-methyl-5,6-dihydro-2H-pyran-2-one

(4S,5S)-4,5-bis-1-[(S)-allyloxy-3-methylbut-3-enyl]-2,2-dimethyl-[1,3]-dioxolane

(1E,4S)-4-(tert-butyldiphenylsilyloxy)-1-[(2S)-4-methyl-3,6-dihydro-2H-pyran-2-yl]-8-[(2R,S)-tetrahydro-2H-pyran-2-yloxy]oct-1-en-6-yn-3-one

(1E,3S,4S)-4-(tert-butyldiphenylsilyloxy)-3-(methoxymethoxy)-1-[(2S)-4-methyl-3,6-dihydro-2H-pyran-2-yl]-8-[(2R,S)-tetrahydro-2H-pyran-2-yloxy]oct-1-en-6-yne

(S)-2-allyloxy-4-methyl-1-trityloxy-4-pentene