N-Ethoxycarbonyl-2-(3-butenyl)-5-ethyl-1,2-dihydropyridine

ethyl 2-but-3-enyl-3-ethyl-2H-pyridine-1-carboxylate

N-Ethoxycarbonyl-4-(3-butenyl)-3-ethyl-1,4-dihydropyridine

1,3-diethylpiperidine

1-phenyl-2-pyridin-3-ylpropan-1-one