phenyl 4-phenyl-4H-pyridine-1-carboxylate

phenyl 4-butyl-4H-pyridine-1-carboxylate

N,N-diethyl-4-phenyl-4H-pyridine-1-carboxamide

N,N-diethyl-4-methyl-4H-pyridine-1-carboxamide

3-acetyl-N,N-diethyl-4-phenyl-4H-pyridine-1-carboxamide