[(1S,4S,5S)-4-(tert-Butyl-dimethyl-silanyloxy)-5-((Z)-pent-2-enyl)-cyclopent-2-enyl]-acetic acid methyl ester

(3aS,3bR,7aS,8aS)-5-Methoxy-2,2-dimethyl-3a,3b,4,7,7a,8a-hexahydro-indeno[1,2-d][1,3]dioxol-8-one

[(3aS,4R,5S,6R,6aS)-6-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-5-((Z)-pent-2-enyl)-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-acetic acid methyl ester