(1S,2S)-(-)-2-(1-<2-
(1S,2S)-(+)-(1-<2-
(1S,2S)-(-)-(1-<2-
(1S,2S)-(-)-(1-<2-
(1S,1S,2S)-(-)-2-<1-(2-hydroxy-1-phenylethyl)-1,2,3,6-tetrahydropyridin-2-yl>-1-phenylethanol