N-(α-phenylethylamino)ephedrine

4-methyl-N-[(1R)-1-phenylethyl]benzenesulfonamide

N-[(R)-(+)-1-phenylethyl]decanamide

4-methyl-N-(1-phenyl-ethylidene)-benzenesulfonamide

N-(α-methyl-benzylidene)-p-toluenesulfinamide