[1-(3-Chloro-quinoxalin-2-yl)-piperidin-4-yl]-methanol

[1-(3-Chloro-quinoxalin-2-yl)-piperidin-2-yl]-methanol

4-(3-Chloro-quinoxalin-2-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

2-(5-Chloro-pyrimidin-2-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

(5-Chloro-pyrimidin-2-yl)-piperidin-3-yl-amine hydrochloride

1-(5-chloropyrimidin-2-yl)piperidin-3-ol

4-(5-Chloro-pyrimidin-2-ylamino)-piperidine-1-carboxylic acid tert-butyl ester

[1-(5-Fluoro-pyrimidin-2-yl)-piperidin-4-ylmethyl]-carbamic acid tert-butyl ester

2-Methyl-4-(2-methylsulfanyl-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester

3-[(4-Methyl-pyrimidin-2-ylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester