1-[(2R,3R)-3-Hydroxy-2-(4-methoxy-phenoxymethyl)-3,6-dihydro-2H-pyridin-1-yl]-ethanone

1-[(2R,3S)-3-Hydroxy-2-(4-methoxy-phenoxymethyl)-3,6-dihydro-2H-pyridin-1-yl]-ethanone

Benzoic acid (2R,3S)-1-acetyl-2-(4-methoxy-phenoxymethyl)-1,2,3,6-tetrahydro-pyridin-3-yl ester

1-[(2R,3R)-3-(4-Methoxy-benzyloxy)-2-(4-methoxy-phenoxymethyl)-3,6-dihydro-2H-pyridin-1-yl]-ethanone

1-[(2R,3S)-3-(tert-Butyl-diphenyl-silanyloxy)-2-(4-methoxy-phenoxymethyl)-3,6-dihydro-2H-pyridin-1-yl]-ethanone