Toluene-4-sulfonic acid (R)-5-(tert-butyl-dimethyl-silanyloxy)-4-methoxymethoxymethyl-4-methyl-pentyl ester

(R)-7-(Toluene-4-sulfonyloxymethyl)-4,5,6,7-tetrahydro-benzofuran-7-carboxylic acid methyl ester

2,2-Dicarbomethoxy-cyclohexan-1-on

(7R)-hydroxymethyl-4,5,6,7-tetrahydrobenzofuran-7-carboxylic acid

3-Allyl-2-oxo-cyclohexane-1,1-dicarboxylic acid dimethyl ester