3,4-dimethyl-4'-piperidinomethyl benzophenone

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

2,4-dichloro-4'-pyrrolidinomethyl benzophenone

cyclopropyl 4-(pyrrolidinomethyl)phenyl ketone

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

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

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

2,3-dimethyl-4'-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]benzophenone

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

cyclohexyl 4-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]phenyl ketone

ethyl 6-[4-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]phenyl]-6-oxohexanoate