2-氧代-3-苯基丙酸甲酯

4-phenyl-5-(phenylmethyl)oxolane-2,3-dione

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

1-(苯基甲基)-2,3,4,9-四氢-1H-吡啶并[3,4-b]吲哚

1-(2,5-dihydroxyphenyl)-2-phenylethanone