((S)-1-Phenyl-ethyl)-[1-pyridin-3-yl-1-(tetrahydro-pyran-4-yl)-meth-(Z)-ylidene]-amine
((R)-1-Phenyl-ethyl)-[(R)-pyridin-3-yl-(tetrahydro-pyran-4-yl)-methyl]-amine
((S)-1-Phenyl-ethyl)-[(S)-pyridin-3-yl-(tetrahydro-pyran-4-yl)-methyl]-amine
((R)-1-Phenyl-ethyl)-[1-pyridin-3-yl-1-(tetrahydro-pyran-4-yl)-meth-(Z)-ylidene]-amine