3',4'-dichloro-3-(3,4,5-trifluorophenyl)propiophenone

3'-(1,3-dioxolan-2-yl)-2-thiomethylbenzophenone

4-chloro-3'-(1,3-dioxolan-2-yl)-3-fluorobenzophenone

2-chloro-3'-(1,3-dioxolan-2-yl)benzophenone

2,4-dichloro-3'-(1,3-dioxolan-2-yl)benzophenone

3-(1,3-dioxolan-2-yl)-3',4',5'-trifluorobenzophenone

4'-(1,3-dioxolan-2-yl)-3-methoxybenzophenone

4-(1,3-dioxolan-2-yl)-4'-methoxybenzophenone

2,4-dimethyl-4'-(1,3-dioxolan-2-yl)benzophenone

3,4-dimethyl-4'-(1,3-dioxolan-2-yl)benzophenone

4'-(1,3-dioxolan-2-yl)-3-trifluoromethylbenzophenone