4-氟苯甲酰乙酸乙酯

4-[2-(4-羟基-1-哌啶基)乙基]苯甲酸

二苯并呋喃-2-甲酸

4-(3-oxomorpholin-4-yl)benzoic acid

ethyl 4-(3-oxomorpholin-4-yl)benzoate