二氟苯偶酰

1,2-双(4-氟苯基)乙酮

5,5-Bis(4-fluorphenyl)-4,5-dihydro-2(3H)-furanon

4-acetyl-6,6-bis(4-fluorophenyl)-3-methyl-1,2-dioxan-3-ol

2,2-bis(4-fluorophenyl)-2-hydroxyethyl acetate