2-氧代-4-苯基-1-吡咯烷乙酸乙酯

trimethylsilyl 2-(2-oxo-4-phenylpyrrolidin-1-yl)acetate

4-苯基-2-吡咯烷酮

2-氧代-4-苯吡咯烷-3-羧酸

2-氧代-4-苯基-3-吡咯烷羧酸甲酯