1-(pyren-1-ylmethyloxy)-2-pyridone

1-(3-methoxy-2-naphthoyloxy)-2-pyridone

1-(2-naphthoyloxy)-2-pyridone

4'-氨基甲酰-2-甲酰基-1,1'-(氧基二亚甲基)二-吡啶鎓-二氯化物-2-肟

3-(2-氧代吡啶-1-基)丙腈