(3R,3aR,7aR)-3-Methyl-7a-prop-2-ynyl-3a,7a-dihydro-3H,4H-isobenzofuran-1,7-dione

(1R,6R)-6-((R)-1-Benzyloxy-ethyl)-2-oxo-1-prop-2-ynyl-cyclohex-3-enecarboxylic acid methyl ester

[(1S,2R,5R,6R,8R)-6,8-Bis-methoxymethoxy-6-methyl-2-(1-phenylsulfanylmethyl-vinyl)-bicyclo[3.2.1]oct-1-yl]-methanol

(1R,2R,5R,6R,8R)-6,8-Bis-methoxymethoxy-6-methyl-2-(1-phenylsulfanylmethyl-vinyl)-bicyclo[3.2.1]octane-1-carbaldehyde

(1R,2R,5R,6R,8R)-6,8-Bis-methoxymethoxy-6-methyl-2-(1-phenylsulfanylmethyl-vinyl)-bicyclo[3.2.1]octane-1-carboxylic acid methyl ester