138196-45-9
2-oxo-1-Piperidinepropanal
→
~60%
117705-04-1
3-(2-氧代哌啶-1-基)丙酸
71533-22-7
1-(3'-hydroxypropyl)piperidin-2-one
68634-48-0
2-氧代-1(2H)-吡啶丙酸