5-(1-哌啶基甲基)-2-噻吩甲醛

2,2,3,3,4,4,5,5,6-nonafluoropyridine

2,2-diethoxy-1-piperidin-1-ylethanone

1-哌啶硫代羧酸2-[1-(2-吡啶基)亚乙基]酰肼

1-(1-丙烯基)哌啶