3,5-dioxo-5-phenylpentanoic acid

ethyl 3-hydroxy-1-benzothiophene-2-carboxylate

2-benzoyl-2-ethoxycarbonylbenzo[b]thiophen-3(2H)-one

3-methoxy-1-phenylpropan-1-one

2-苄基-3-氧代-3-苯基丙酸乙酯