[1-(3-Chloro-quinoxalin-2-yl)-piperidin-3-yl]-carbamic acid tert-butyl ester

[1-(6-Chloro-pyridin-3-ylmethyl)-piperidin-3-yl]-carbamic acid tert-butyl ester

3-(6-Chloro-pyrimidin-4-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

[1-(2-Chloro-thiazol-5-ylmethyl)-piperidin-3-yl]-carbamic acid tert-butyl ester

(4-Chloro-benzyl)-pyrrolidin-3-yl-amine hydrochloride

1-(4-Trifluoromethyl-pyrimidin-2-yl)-piperidin-4-ol

1-(6-Ethoxy-pyridin-3-ylmethyl)-piperazine dihydrochloride

2-Fluoro-4'-hydroxy-3',4',5',6'-tetrahydro-2'H[3,4']bipyridinyl-1'-carboxylic acid benzyl ester

4-Pyrimidin-2-yl-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

2-Piperidin-1-yl-benzothiazole

4-(6-Bromo-pyridin-2-ylamino)-piperidine-1-carboxylic acid tert-butyl ester