2-hydroxyethyl-1-(toluene-4-sulfonyl)aziridine

(S)-2-(p-toluenesulfonylamino)-1,4-butanediol

(R)-N-tosyl-2-piperidinylethanol

2-(1-t-butyldimethylsilyloxyethyl)-1-(4-methylphenylsulfonyl)-piperidine

N-{1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-pent-4-enyl}-4-methyl-benzenesulfonamide