Ethyl 2-{[(1S)-1-phenylethyl]amino}-1-cyclopentene-1-carboxylate

4-benzyl-2-methyl-4H-oxazol-5-one

6-hydroxy-1-(1-phenylethyl)piperidin-2-one

N'-(1-phenylethyl)ethane-1,2-diamine

(1S,1'S)-N-2'-hydroxy-1'-phenylethyl-1-phenylethylamine