(2S,5S)-2-Methanesulfonyloxymethyl-5-(4-methoxy-phenyl)-2,5-dihydro-pyrrole-1-carboxylic acid methyl ester

(2S,5R)-N-(methoxycarbonyl)-5-(methyl)-2-(p-methoxyphenyl)-3-pyrroline

(2S,3R,4R,5R)-3,4-Diacetoxy-5-acetoxymethyl-pyrrolidine-1,2-dicarboxylic acid 1-methyl ester

(5R,6R,7R,8R)-6,7-di-O-acetyl-8-acetoxymethyl-1-aza-3-oxabicyclo[3.3.0]octan-2-one

(2R,3R,4R,5R)-2-(4-methoxyphenyl)-1,5-dimethylpyrrolidine-3,4-diol