(1R,4R)-{4-[((S)-2-Amino-3-methyl-butyryl)-methyl-amino]-cyclohexyl}-carbamic acid benzyl ester

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

((R)-1-Benzyl-pyrrolidin-3-ylamino)-acetic acid

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

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

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

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

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

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

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

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

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

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

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

2-[((R)-1-Benzyl-piperidin-3-yl)-isopropyl-amino]-ethanol