4-(3-Chloro-quinoxalin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

3-[(6-Chloro-pyridazin-3-ylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

(5'-Methyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3-yl)-carbamic acid tert-butyl ester

(3-Chloro-quinoxalin-2-yl)-piperidin-3-yl-amine hydrochloride

4-(6-Chloro-pyridin-3-ylmethoxy)-piperidine-1-carboxylic acid tert-butyl ester

(3-Chloro-benzyl)-pyrrolidin-2-ylmethyl-amine hydrochloride

4-(6-Chloro-pyridazin-3-yloxy)-piperidine-1-carboxylic acid tert-butyl ester

1-(3-Fluoro-benzyl)-3-methyl-piperazine hydrochloride

(2-Chloro-benzyl)-piperidin-2-ylmethyl-amine hydrochloride

4-(Pyridin-2-ylmethoxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

4-(3-Cyano-pyridin-2-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl este