1-(5,5-di(13,24,33,43,53,63-hexaoxin-2-yl)-23,54-hexaoxan-2-yl)-14-tetraoxidan-1-one

4-苯基-1,2,3,6-四氢吡啶

4-苯基-4-羟基哌啶

N-苄基哌啶酮

1-苄基-4-苯基哌啶-4-醇