4-{[((S)-2-Amino-propionyl)-cyclopropyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

2-{[((S)-2-Amino-3-methyl-butyryl)-ethyl-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester

(1-Benzyl-piperidin-4-ylamino)-acetic acid

[(1-Benzyl-pyrrolidin-3-ylmethyl)-methyl-amino]-acetic acid

[(1-Benzyl-piperidin-3-yl)-ethyl-amino]-acetic acid

[((R)-1-Benzyl-piperidin-3-yl)-isopropyl-amino]-acetic acid

[((S)-1-Benzyl-pyrrolidin-3-yl)-cyclopropyl-amino]-acetic acid

2-[(1-Benzyl-pyrrolidin-2-ylmethyl)-amino]-ethanol

2-[(1-Benzyl-piperidin-3-ylmethyl)-amino]-ethanol

2-[((S)-1-Benzyl-pyrrolidin-3-yl)-ethyl-amino]-ethanol

2-[(1-Benzyl-piperidin-4-ylmethyl)-ethyl-amino]-ethanol