4-(4,6-Dimethyl-pyrimidin-2-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

(S)-3-(5-Chloro-pyrimidin-2-yloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

(S)-3-(4-Chloro-5-methyl-pyrimidin-2-yloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester

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

(R)-3-(4-Methyl-pyrimidin-2-ylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester

2-[(6-Chloro-2-methylsulfanyl-pyrimidin-4-ylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

(R)-1-(5-Fluoro-pyrimidin-2-yl)-pyrrolidin-3-ol

2-[(4,6-Dimethyl-pyrimidin-2-ylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester

(R)-3-(2-Methylsulfanyl-pyrimidin-4-ylamino)-pyrrolidine-1-carboxylic acid tert-butyl ester

1-(4-Chloro-5-methyl-pyrimidin-2-yl)-pyrrolidin-3-ol

3-(4-Chloro-5-methyl-pyrimidin-2-yloxy)-piperidine-1-carboxylic acid tert-butyl ester