(S)-5-tosyloxypentan-4-olide
(5S)-5-hydroxymethyl-2-oxo-tetrahydro-furan-3-carboxylic acid
(5S)-5-(hydroxymethyl)-2-oxo-tetrahydrofuran
(1R,2S,4S)-2-<(6S)-t-butyldimethylsilyloxy-1-heptynyl>-4-(2-methoxyethoxymethoxy)-1-cyclopentylmethyl benzyl ether
(3S,5S)-6-p-toluenesulfonyloxy-5-(2-methoxyethoxymethoxy)-3-vinylhexanenitrile