(3aR,6aS)-6a-((S)-1-Methoxymethoxy-ethyl)-2,2-dimethyl-3a,6a-dihydro-cyclopenta[1,3]dioxol-4-one

(S)-1-[(4S,5S)-5-((S)-1-Methoxymethoxy-ethyl)-2,2-dimethyl-5-vinyl-[1,3]dioxolan-4-yl]-prop-2-en-1-ol

(S)-1-[(3aS,4S,6S,6aS)-4-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-6-vinyl-dihydro-furo[3,4-d][1,3]dioxol-3a-yl]-ethanol