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1-(2,6-Dimethyl-4-pyrimidinyl)-4-piperidinecarboxylic acid ethyl ester

[4-[(4-Methylphenyl)sulfonyl]-1-piperazinyl][1-(4-pyridinyl)-4-piperidinyl]methanone

[4-[(4-Methoxyphenyl)sulfonyl]-1-piperazinyl][1-(4-pyridinyl)-4-piperidinyl]methanone

2-Methyl-4-(1-piperazinyl)pyrimidine dihydrochloride

1-[(4-Bromophenyl)sulfonyl]-4-piperidinecarboxylic acid

1-[(4-Bromophenyl)sulfonyl]-4-piperidinecarboxylic acid ethyl ester

1-Piperazinyl[1-(4-pyrimidinyl)-3-pyrrolidinyl]methanone

4-(3-Pyrrolidinylcarbonyl)-1-piperazinecarboxylic acid 1,1-dimethylethyl ester

4-[[1-[(Phenylmethoxy)carbonyl]-3-pyrrolidinyl]carbonyl]-1-piperazinecarboxylic acid 1,1-dimethylethyl ester

1,3-Pyrrolidinedicarboxylic acid, 3-butyl 1-(phenylmethyl) ester