(2S,3R)-3-Benzo[1,3]dioxol-5-yl-3-hydroxy-2-methyl-thiopropionic acid S-{(1S,2R)-2-[benzyl-(2,4,6-trimethyl-benzenesulfonyl)-amino]-1-phenyl-propyl} ester

(2S,3R)-3-Benzo[1,3]dioxol-5-yl-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-thiopropionic acid S-{(1S,2R)-2-[benzyl-(2,4,6-trimethyl-benzenesulfonyl)-amino]-1-phenyl-propyl} ester

2'-(N-benzyl-N-mesitylenesulfonylamino)-1'-phenylpropyl (1'S,2S,2'R,3S)-2,4-dimethyl-3-hydroxy-thiolpent-4-enoate

(1S,2R)-2-(N-benzyl-N-mesitylenesulfonylamino)-1-phenylpropane-1-thiol

(1'S,2'R)-2'-(N-benzyl-N-mesitylenesulfonylamino)-1'-phenylpropyl thiolpropionate