(4S,5S)-5-((S)-1-methoxybut-3-enyl)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde

(2S,3S)-3-(tert-butyldimethylsilanyloxy)-3-[(4R,5S)-5-((S)-1-methoxybut-3-enyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methylpropan-1-ol

benzoic acid (1S,3R,4S)-4-hydroxy-4-[(4S,5S)-5-((S)-1-methoxybut-3-enyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-1,3-dimethyl-2-oxobutyl ester