(R)-3-[((S)-2-Amino-3-methyl-butyryl)-methyl-amino]-pyrrolidine-1-carboxylic acid benzyl ester

[(1-Benzyl-piperidin-2-ylmethyl)-amino]-acetic acid

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

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

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

[(1-Benzyl-piperidin-4-ylmethyl)-ethyl-amino]-acetic acid

[(1-Benzyl-piperidin-4-yl)-isopropyl-amino]-acetic acid

[(1-Benzyl-piperidin-4-ylmethyl)-isopropyl-amino]-acetic acid

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

2-((R)-1-Benzyl-piperidin-3-ylamino)-ethanol

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