2,2,7-trimethyl-tetrahydro-[1,3]dioxino[5,4-b]pyrrole-5-carboxylic acid tert-butyl ester

2-(tert-butyl-dimethyl-silanyloxymethyl)-3-hydroxy-4-methyl-pyrrolidine-1-carboxylic acid tert-butyl ester

[4-(2-hydroxy-1-methyl-ethyl)-2,2-dimethyl-[1,3]dioxan-5-yl]-carbamic acid tert-butyl ester

3-benzoyloxy-2-(tert-butyl-dimethyl-silanyloxymethyl)-4-methyl-pyrrolidine-1-carboxylic acid tert-butyl ester

1(RSS)-[5-tert-butyldiphenylsiloxy-2-methyl-(2S,3Z)-3-pentenylsulfinyl]-benzene