N,N-di(propan-2-yl)pyridine-2-carboxamide

5-phenyl-2-pyridin-2-yl-1,3-oxazole

4-乙氧基-1-(吡啶-2-基)-1-丁酮

1-(2-哌啶甲基)哌啶

4,5-dimethyl-1-oxo-1-phenyl-2-pyridin-2-yl-1λ⁵-phosphinin-2-ol