ethyl 4-oxo-4-[2-(piperidinomethyl)phenyl]butyrate

3'-methoxy-2-pyrrolidinomethyl benzophenone

2-carboethoxy-2'-pyrrolidinomethyl benzophenone

2,3-dimethyl-2'-pyrrolidinomethyl benzophenone

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

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

2,5-dichloro-2'-pyrrolidinomethyl benzophenone

ethyl 6-oxo-6-[2-(pyrrolidinomethyl)phenyl]hexanoate

ethyl 5-oxo-5-[2-(pyrrolidinomethyl)phenyl]valerate

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

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

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

3',5'-dimethyl-2-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]benzophenone

2'-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]-3,4,5-trifluorobenzophenone

ethyl 5-[2-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)methyl]phenyl]-5-oxovalerate