4-phenyloxane-2,6-dione

4-羟基-4-甲基-6-氧代-2-苯基-1,3-环已二酸二乙酯

3-phenylglutaronitrile

diethyl 2-cyano-3-phenylpentanedioate

2-苯亚甲基乙酰乙酸乙酯