1-[(1-benzoylpiperidin-4-yl)methyl]-5,6-dimethoxyindan-1-one

5-[(1-benzyl-4-piperidyl)methyl]-5-(3,4-dimethoxybenzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione

5,6-二甲氧基-1-茚酮

1-苄基-4-哌啶甲醛

4-吡啶甲醛