(2E,5Z)-7-(tert-butyldiphenylsilyl)oxy-1-{(4R,5S)-2,2-dimethyl-5-[2-(4-methoxybenzyloxy)ethyl]-[1,3]-dioxolan-4-yl}-5-methyl-hepta-2,5-dien-1-one

(4R,5S)-ethyl 5-(2-((4-methoxybenzyl)oxy)ethyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate

ethyl (2R,3S)-2,3-dihydroxy-5-(4-methoxybenzyl)oxypentanoate

(Z)-5-(tert-butyldiphenylsilyl)oxy-3-methyl-1-trimethylsilyl-3-penten-1-yne

ethyl <2E>-5-(4-methoxybenzyloxy)-2-pentenoate