(2-Iodomethyl-piperidin-1-yl)-acetic acid

4-(2-Amino-ethoxymethyl)-piperidine-1-carboxylic acid tert-butyl ester

1-[3-(2-Amino-ethoxymethyl)-piperidin-1-yl]-ethanone

N-[4-(2-Amino-ethoxy)-cyclohexyl]-acetamide

1-(2-Chloro-acetyl)-piperidin-4-one

1-(3-Bromo-pyrrolidin-1-yl)-2-chloro-ethanone

2-Amino-1-(4-chloro-piperidin-1-yl)-ethanone

2-Amino-1-(4-bromo-piperidin-1-yl)-ethanone

(S)-2-{[(2-Amino-acetyl)-methyl-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester

(R)-3-[(2-Amino-acetyl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester

4-[(2-Amino-acetyl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester