3,5-difluoro-3'-morpholinomethyl benzophenone

4-bromo-3-fluoro-3'-piperidinomethyl benzophenone

3,5-dichloro-3'-piperidinomethyl benzophenone

ethyl 4-oxo-4-[3-(piperidinomethyl)phenyl]butyrate

ethyl 7-oxo-7-[3-(piperidinomethyl)phenyl]heptanoate

3-chloro-3'-pyrrolidinomethyl benzophenone

2,6-dimethyl-3'-pyrrolidinomethyl benzophenone

4-chloro-2-fluoro-3'-pyrrolidinomethyl benzophenone

ethyl 4-oxo-4-[3-(pyrrolidinomethyl)phenyl]butyrate

ethyl 8-[3-(indolylmethyl)phenyl]-8-oxooctanoate

3-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]-4'-thiomethyl benzophenone