2-哌啶乙酸

1-乙酰基-1,2,3,4-四氢吡啶

piperidin-2-ylphosphonic acid

2-乙酰基-1,4,5,6-四氢吡啶,2-乙酰基-1,4,5,6-四氢吡啶,1-(1,4,5,6-四氢-2-吡啶)-乙酮

8,9-二氢-6H-吡啶并[2,1-b]喹唑啉-11(7h)-酮