1-甲基-4-氯哌啶

1-(2-ethoxy-3-hexadecoxypropyl)-1-methylpiperidin-1-ium-4-ol,iodide

1-Methyl-4-piperidinyl 4-methylbenzenesulfonate

1-甲基-4-哌啶基4'-氟苯甲酸酯

N-甲基-4-哌啶酮