[4-((S)-2-Amino-3-methyl-butyrylamino)-cyclohexyl]-carbamic acid benzyl ester

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

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

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

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

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

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

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

2-((S)-1-Benzyl-pyrrolidin-3-ylamino)-ethanol

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

2-[(1-Benzyl-piperidin-4-yl)-methyl-amino]-ethanol