1-(Diphenylcarbamoyl)-3-(2-pyridyl)-2-pyrrolidon

3-[2-(3,3-Diphenylureido)ethyl]-3-(2-pyridyl)-2-pyrrolidon

2-吡啶硫代乙酰胺

1,3-Diethoxycarbonyl-4H-chinolizin-4-on

1,3,4,6,7,8,9,9a-octahydroquinolizin-2-one