p. 2663 - 2669
(2007/10/03)2,2-Dicarbomethoxy-cyclohexan-1-on
p-toluenesulfonyl chloride
(R)-7-Hydroxymethyl-4,5,6,7-tetrahydro-benzofuran-7-carboxylic acid methyl ester
(7R)-7-methoxycarbonyl-4,5,6,7-tetrahydrobenzofuran-7-carboxylic acid
2-Oxo-3-(2-oxo-ethyl)-cyclohexane-1,1-dicarboxylic acid dimethyl ester