{2-[4-(Tetrahydro-pyrimidin-1-yl)-butylcarbamoyl]-ethyl}-carbamic acid benzyl ester
N1,N8-Bis(diphenylphosphinoyl)-N1,N4-methylenespermidine
N-<4-(3-benzoylhexahydropyrimidin-1-yl)butyl>benzamide
[1-Phenyl-meth-(E)-ylidene]-[4-(tetrahydro-pyrimidin-1-yl)-butyl]-amine
maytenine