4-苯胺-1-苯甲基哌啶

8-苄基-2,8-二氮杂-螺[4,5]葵烷-1,3二酮

1-苄基-4-(4-甲氧基苯基)四氢吡啶

2-[(4-甲氧基苯基)甲基]-8-(苯基甲基)-2,8-二氮杂螺[4.5]-1,3-癸二酮

1-(4-methylphenyl)sulfonylpiperidin-4-one