2,5-dichloro-4'-morpholinomethyl benzophenone

3,4-dimethyl-4'-piperidinomethyl benzophenone

3-chloro-5-fluoro-4'-piperidinomethyl benzophenone

3,5-difluoro-4'-piperidinomethyl benzophenone

ethyl 5-oxo-5-[4-(piperidinomethyl)phenyl]valerate

3-cyano-4'-pyrrolidinomethyl benzophenone

2,4-dimethyl-4'-pyrrolidinomethyl benzophenone

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

3,4-dichloro-4'-pyrrolidinomethyl benzophenone

ethyl 5-oxo-5-[(4-pyrrolidinomthyl)phenyl]valerate

4'-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]-2-methoxy benzophenone