3-(6-Cyclopropylamino-pyrimidin-4-ylamino)-piperidine-1-carboxylic acid tert-butyl ester

1-(6-Methoxy-pyrimidin-4-yl)-piperidine-3-carboxylic acid

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

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

Pyrazine-2-carboxylic acid piperidin-3-ylamide hydrochloride

4-[(6-Chloro-pyridazin-3-ylamino)-methyl]-piperidine-1-carboxylic acidtert-butyl ester

4-(5-Methyl-pyridin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

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

(6-Chloro-pyridazin-3-yl)-piperidin-3-yl-amine hydrochloride

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

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