methyl 2-((1R,3aR,6aR)-1-(2-hydroxyethyl)-2,2-dimethyl-4-methylene-5-oxohexahydropentalen-3a(1H)-yl)acetate

tert-Butyl-[6-(2-methoxymethoxy-ethyl)-5,5-dimethyl-oct-7-en-2-ynyloxy]-dimethyl-silane

methyl 5-(1,3-dioxolan-2-yl)-5-methyl-3-oxohexanoate

6-(2-Methoxymethoxy-ethyl)-5,5-dimethyl-oct-7-en-2-yn-1-ol

3-(2-Methoxymethoxy-ethyl)-4,4-dimethyl-hept-1-en-6-yne

5βH-2-<<(tert-butyldimethylsilyl)oxy>methyl>-6β-<2-(methoxymethoxy)ethyl>-7,7-dimethylbicyclo<3.3.0>oct-1-en-3-one

(2aR,5R,7aR)-2a-(tert-Butyl-dimethyl-silanyloxymethyl)-5-(2-methoxymethoxy-ethyl)-6,6-dimethyl-2-methylene-hexahydro-cyclobuta[c]pentalen-3-one

[(1R,3aR,4R,6aR)-1-(2-Hydroxy-ethyl)-2,2-dimethyl-5-oxo-4-phenylsulfanylmethyl-hexahydro-pentalen-3a-yl]-acetic acid methyl ester

ethyl 5,5-dimethyl-6-vinyl-8-<(methoxymethyl)oxy>oct-2-ynoate