2,6-dioxo-4-phenyl-piperidine-3-carboxylic acid ethyl ester

2-acetyl-5-phenylcyclohexane-1,3-dione

2-bromo-3-phenyl-glutaric acid dimethyl ester

(肉)桂腈

5-oxo-3-phenyl-5-piperidino-valeric acid