1-{(R)-3-[(2-Amino-ethyl)-methyl-amino]-pyrrolidin-1-yl}-ethanone

N-{2-[(2-Amino-ethyl)-cyclopropyl-amino]-cyclohexyl}-acetamide

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

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

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

[(2-Dimethylamino-cyclohexyl)-ethyl-amino]-acetic acid

[(2-Dimethylamino-cyclohexyl)-isopropyl-amino]-acetic acid

(1R,4R)-[(4-Dimethylamino-cyclohexyl)-isopropyl-amino]-acetic acid

[Cyclopropyl-(1-methyl-piperidin-4-ylmethyl)-amino]-acetic acid

((S)-3-Hydroxy-piperidin-1-yl)-acetic acid

2-((S)-1-Methyl-piperidin-3-ylamino)-ethanol