3-hydroxy-2-methyl-4-phenyl-2H-furan-5-one

2,4-二苯基乙酰乙酸乙酯

苯乙酸乙酯

3-phenyl-3,4-dihydro-1H-quinoxalin-2-one

2-(4-甲氧基苯基)-1-苯基乙酮